2021-07-12T14:47:13,667 Created temporary directory: /tmp/pip-ephem-wheel-cache-hrvijqug
2021-07-12T14:47:13,669 Created temporary directory: /tmp/pip-req-tracker-vtqg5a0y
2021-07-12T14:47:13,670 Initialized build tracking at /tmp/pip-req-tracker-vtqg5a0y
2021-07-12T14:47:13,670 Created build tracker: /tmp/pip-req-tracker-vtqg5a0y
2021-07-12T14:47:13,670 Entered build tracker: /tmp/pip-req-tracker-vtqg5a0y
2021-07-12T14:47:13,671 Created temporary directory: /tmp/pip-wheel-u259xz07
2021-07-12T14:47:13,700 1 location(s) to search for versions of prf:
2021-07-12T14:47:13,700 * https://pypi.org/simple/prf/
2021-07-12T14:47:13,700 Fetching project page and analyzing links: https://pypi.org/simple/prf/
2021-07-12T14:47:13,701 Getting page https://pypi.org/simple/prf/
2021-07-12T14:47:13,702 Found index url https://pypi.org/simple
2021-07-12T14:47:13,824   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/7d/6f/3bea3e20e1b956fe449920c437af18a6d67208d4c2d68cdc2858b3c8b7b6/prf-0.0.7-py2-none-any.whl#sha256=f85b79c3b6e1a9048bb43aeb8ca33818288fb7325247b2e6b83c34e5c1a0accf (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,824   Found link https://files.pythonhosted.org/packages/6a/a9/fddf7eccf16c7c3309b2d43fde9034f2d4228a28458cd09f207b7a115f7c/prf-0.0.7.tar.gz#sha256=b6c9b3934d5d776e9da5de9530dd80b1ea2a4c008794ceb35f3d342372753132 (from https://pypi.org/simple/prf/), version: 0.0.7
2021-07-12T14:47:13,825   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/2a/70/dc8a2841ae189695cd5031c3ebb648bb87a55c398837733e8d74c8b5af7f/prf-0.0.8-py2-none-any.whl#sha256=687ec49ee8108ab5593557f01717112106f9ceefd964af0825a951260054e0d7 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,825   Found link https://files.pythonhosted.org/packages/74/81/797d9609cbec5a7273cf6a51059d7b04ee4ced8acdad3d6598eaa8083317/prf-0.0.8.tar.gz#sha256=7365994e1392ec974cd6dd028c2e19d0ba12f3abad256cbc1cfa0b9ec27eae9d (from https://pypi.org/simple/prf/), version: 0.0.8
2021-07-12T14:47:13,826   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/17/9c/1c29bde261db0534ada99da7108b525205968411ad8423ffabc466564a32/prf-0.0.10-py2-none-any.whl#sha256=0d34ca04b8498bd5b2d728e9a6c7dd38d749e6b192dea724caf4061be60e638e (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,826   Found link https://files.pythonhosted.org/packages/14/58/e0d0dd23f0896365aea56f028b25442f8f765f24555466ac56aaee11831e/prf-0.0.10.tar.gz#sha256=f76c82932f260a24f7903d71e3cd46a9d139e59a2c6c61584e322bddc0a48163 (from https://pypi.org/simple/prf/), version: 0.0.10
2021-07-12T14:47:13,826   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/a7/c3/709762a77c384eea06af23fbc14bf240696a13f4b43bdb2fdbc68b8bfe30/prf-0.0.11-py2-none-any.whl#sha256=72e5bccc669d942edb83d88a3a4ba9a18b6a8dc690a88314337a08ac08ac2b2b (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,827   Found link https://files.pythonhosted.org/packages/0a/6c/b5e509ce57daf9853564685e248af1a012ff47d21caf6596f4ba5c309b06/prf-0.0.11.tar.gz#sha256=963b51be548279f87cba1a562045b45f74c879f9c89e2882da3e3ab86379110c (from https://pypi.org/simple/prf/), version: 0.0.11
2021-07-12T14:47:13,827   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/20/42/da00ee5603a09cc8f0b806b055558e7fa7603aec36141155d51d77b46811/prf-0.0.12-py2-none-any.whl#sha256=a883abedd24979000d3bcaf41176b970b1b303e5d7235ed1693289c64bf04f5f (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,827   Found link https://files.pythonhosted.org/packages/c3/d1/75e0c40785656a36ff32449036c66d3f368222a046a758e7241a7b65c76a/prf-0.0.12.tar.gz#sha256=2b6ce5124c6339a914adf15d8fd82e75237441c013a8f68b2c512f7401347b7c (from https://pypi.org/simple/prf/), version: 0.0.12
2021-07-12T14:47:13,828   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/fa/99/129d67962efc5f4a598b14078e5f0772a027e201639efcdd55ed9727846d/prf-0.0.13-py2-none-any.whl#sha256=18a5e4b03f8af5cfd3aa74ac3d986fd1e6ee2a2d548852cdcdf269a64e46fed4 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,828   Found link https://files.pythonhosted.org/packages/49/5d/5087c6a9b511f6020c5b4dcdedb70ab9afd2cec633eeaa16a9b7a0950f90/prf-0.0.13.tar.gz#sha256=5fdac18d1fb6e7e8193d40d136a3fd2ef1eb147d4850137d9b024285bd6d534a (from https://pypi.org/simple/prf/), version: 0.0.13
2021-07-12T14:47:13,829   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/9f/b4/a2b1293f20142247e99e217bac8565f7aeed45e326cac07b42277f8a163c/prf-0.0.14-py2-none-any.whl#sha256=1af72904c282428b84a527ba3968dd619c34336efd5c1bc38f9a5b7db3a20b55 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,829   Found link https://files.pythonhosted.org/packages/ce/34/e75fb5c54cff3c49aa89c0d50a0afe02750fdd8b94bd0aa229fcc90b01a6/prf-0.0.14.tar.gz#sha256=b9124747499ed7c8830327227376764e244fe293d955cffea7b3b0e2337293a2 (from https://pypi.org/simple/prf/), version: 0.0.14
2021-07-12T14:47:13,829   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/f9/34/1ba162e6013efc38c6d973652a4037bb767e5eb40d9800ca05fd1b32205c/prf-0.0.15-py2-none-any.whl#sha256=d52780a994400c4039205d260e254c4dc6d32392955afb578eb4a1a198b18aa0 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,830   Found link https://files.pythonhosted.org/packages/54/e4/1bbd87d79dd249f7dde888ddce5526747b839334333b1f59b57a5ba795be/prf-0.0.15.tar.gz#sha256=de88a17e985678f7dd5a95ea4e6bca5184a7ca9ff2c30083940a89b05576f7a2 (from https://pypi.org/simple/prf/), version: 0.0.15
2021-07-12T14:47:13,830   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/2c/41/8a11c610cea6946418dd3f1106c68b1d33a4bd71d48e6cbf573ebb757ea3/prf-0.0.16-py2-none-any.whl#sha256=faca8059ca54a453324369aa77c34bb8a6c8d2cf348e0da112401371c484e334 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,830   Found link https://files.pythonhosted.org/packages/08/5f/102533788259de247177fcfb5871f344a4bd82728fc3aa1ad9ad796c3634/prf-0.0.16.tar.gz#sha256=af48d533a7d1408a261627993ba6f6d1be6599cac326df3801fd8790bb1f8d6d (from https://pypi.org/simple/prf/), version: 0.0.16
2021-07-12T14:47:13,831   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/1c/aa/6fa0a1664ecf57c7c632e04c2e914646fd908b593ace87014ed0a771b479/prf-0.0.19-py2-none-any.whl#sha256=f0249f902cb687348394cef2537fc9f5093814ce5881ef1574fb32b8c416cd2b (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,831   Found link https://files.pythonhosted.org/packages/cb/c5/993ea6d44e3d6f3897cea1f23f53bd4162aef55e67f8bd4cca395e25bdfc/prf-0.0.19.tar.gz#sha256=8438142fedc46cfe688ac6e89a10d64a8af506446f80f5bf6dba0d79cfb2fbac (from https://pypi.org/simple/prf/), version: 0.0.19
2021-07-12T14:47:13,832   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/73/c7/40d66400d4071c532ee51f78670f7bcc40d79e9ccafa401146fa4c47a6ad/prf-0.0.20-py2-none-any.whl#sha256=1bb1b43eb736122fbdc57db10ec26aeb70f48f42351b9e100cfb0ffbb1de039c (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,832   Found link https://files.pythonhosted.org/packages/b2/46/2dbf36814df7109a77fdf6eab8ba752c7d5ff868a490fc4adac7b1d5b283/prf-0.0.20.tar.gz#sha256=fc30b0478c985a73d9401b989e51c4d41102b5dc3b6d63aff56df067c3236168 (from https://pypi.org/simple/prf/), version: 0.0.20
2021-07-12T14:47:13,832   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/b0/00/ab5e27314b75c1933a19840cc9079aac2de7073f057a1056264e7cc7b042/prf-0.0.21-py2-none-any.whl#sha256=9f0c169cdffd0072c6b6b36548fda5f23d2d098754b8ce45ce384000908eaa04 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,833   Found link https://files.pythonhosted.org/packages/47/24/6378d8b6c385a96bfdd2b6581e5be70c97fe51c03ab5c4770362401acf35/prf-0.0.21.tar.gz#sha256=9de00b9cfe10e9229c5f9c4a8d4779698055a6b48820dc92f3634498dbbbbeca (from https://pypi.org/simple/prf/), version: 0.0.21
2021-07-12T14:47:13,833   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/ff/28/2f417b3ca9da4c2f2abf525f85b8362584a2595b532d18611771b09225d4/prf-0.0.22-py2-none-any.whl#sha256=d81a2c4e57497706077c399afec51d9b6050bec3851c0c257fe2eafb98ab4a00 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,833   Found link https://files.pythonhosted.org/packages/46/26/38f280cb24c76039647fd064800fea5c1b90c2fec9b2455d56949a1f6413/prf-0.0.22.tar.gz#sha256=c0ea291799613def308a8a33231a83934a0326576c11404c603ea86bbc7ce0e7 (from https://pypi.org/simple/prf/), version: 0.0.22
2021-07-12T14:47:13,834   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/c8/17/90b1d168970a84291cd1894335e3e91889dbe2dea0d7ac3f3c370d7d30c6/prf-0.0.23-py2-none-any.whl#sha256=b9745c43bf41d6fc6a8d70b4236570e5f3371bd7a86c4cf10265dc490720e67d (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,834   Found link https://files.pythonhosted.org/packages/0b/dd/85b01fc303f94b3d7edf1b55d00a45e23888a21dd62db2e762564dc41a48/prf-0.0.23.tar.gz#sha256=d192bd27503f9f3c2181ef43192c89f453b83fffff1bff13ee36d5c468b84959 (from https://pypi.org/simple/prf/), version: 0.0.23
2021-07-12T14:47:13,835   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/05/aa/31731d174318c384a018d47672cb6e89ce7c9a7ac1cf9c38b7496e724582/prf-0.0.24-py2-none-any.whl#sha256=177b80c83403db2dc0a96045491784a341bbd3b475d5497257391c71f2f0d70b (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,835   Found link https://files.pythonhosted.org/packages/ee/46/b3596869e20caf081cf7364a1ffbb92bed1cce568484a54d3f9ac6d5c7b6/prf-0.0.24.tar.gz#sha256=53d6efa14241b7d3bd60ef12d5ed287467650d18dd97912d22fb5489a9bfcea8 (from https://pypi.org/simple/prf/), version: 0.0.24
2021-07-12T14:47:13,835   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/28/35/161b4e6a3b67d5180db35f1b2cf3df676c1f997c4ea89d20dc269fd711f1/prf-0.0.25-py2-none-any.whl#sha256=aa002c1b2cf7210278b95c310cf2319e93c9d2c184e23b9ca944b382975520ae (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,836   Found link https://files.pythonhosted.org/packages/ab/68/e43beb310746133d15ad5b4a2079e22fb65db198eaa5364dad69d6644bbb/prf-0.0.25.tar.gz#sha256=2d01c0fe87fca47c67aba20a621aa293741fdaf9370284d7ee4b35108fe6e791 (from https://pypi.org/simple/prf/), version: 0.0.25
2021-07-12T14:47:13,836   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/1d/6c/3cd36ba21284f56bbe1a04a1ac3e061e20ebae165bb6f641ab7b7c6d1c15/prf-0.0.26-py2-none-any.whl#sha256=5caa5a16ad8ec499df0995be3ccc5c282ceb48e1efe5817787b6c1772a01f116 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,836   Found link https://files.pythonhosted.org/packages/48/6c/4b4d0c0fd7771f8b79c372daf5b7cc4d1af500f8d854a7c6a5e8b16bf2a5/prf-0.0.26.tar.gz#sha256=37d79290b3b61f1a8ff8dc156a603b7bfb7817492b5e34e58f5f0d38f23ab25e (from https://pypi.org/simple/prf/), version: 0.0.26
2021-07-12T14:47:13,837   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/a6/93/af07ebf77cb88d28ca9313f40bcfaf3e9a8581a3a93ee85bab7b8ea9e932/prf-0.0.27-py2-none-any.whl#sha256=f8cabad27007ef5ec9e5d4759d9417e91c2b770984a9d844d8fb5cb6a643bc2b (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,837   Found link https://files.pythonhosted.org/packages/95/d8/3a08676fe119fd5afb97706593b74ef9715bb44e661cb52a39d87026a5ce/prf-0.0.27.tar.gz#sha256=02bf59e351867cafa54127e951b79fc68768b5aee5cb7770bf6b3b9e1486edbb (from https://pypi.org/simple/prf/), version: 0.0.27
2021-07-12T14:47:13,838   Skipping link: none of the wheel's tags (py2-none-any) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/bc/55/e54e10ae16a95301af8faeb5c303860e2ad59b9ffa6c790db86087a05ebd/prf-0.0.28-py2-none-any.whl#sha256=adf1d3e2c20f6467313cfc79d43f1969ca2ff168f2d96e7b6c01d95cf1b3c8a8 (from https://pypi.org/simple/prf/)
2021-07-12T14:47:13,838   Found link https://files.pythonhosted.org/packages/04/00/cf7ec16474bd0966acc60da2decb70c8127ddd5e0bf49d17de96f95118a4/prf-0.0.28.tar.gz#sha256=4328a30cb3356a78969e546d8f6ab14dcc5909817058dd201ed42b578b1b9b12 (from https://pypi.org/simple/prf/), version: 0.0.28
2021-07-12T14:47:13,838   Found link https://files.pythonhosted.org/packages/d7/8e/dc318a4da5fc74a7003160317a9cbe4c3265784ccb15d3c0b9810de701a6/prf-1.0.2-py3-none-any.whl#sha256=0224c04be324f41d1a20be6a323682e66005ff2b16fe070ed90a13a4fbf91ec6 (from https://pypi.org/simple/prf/), version: 1.0.2
2021-07-12T14:47:13,839   Found link https://files.pythonhosted.org/packages/b7/c6/ad6ad9eba9527caf8b88cd879a61dbbfbf66c3cc14b59f034b1d114cba62/prf-1.0.2.tar.gz#sha256=c9ec9da49fb31e4a4c7b875530e576fa93ae884b337f7d6616d831b268fc38c6 (from https://pypi.org/simple/prf/), version: 1.0.2
2021-07-12T14:47:13,839 Skipping link: not a file: https://pypi.org/simple/prf/
2021-07-12T14:47:13,843 Given no hashes to check 1 links for project 'prf': discarding no candidates
2021-07-12T14:47:13,864 Collecting prf==0.0.19
2021-07-12T14:47:13,866   Created temporary directory: /tmp/pip-unpack-nl1al4i9
2021-07-12T14:47:14,043   Downloading prf-0.0.19.tar.gz (44 kB)
2021-07-12T14:47:14,168   Added prf==0.0.19 from https://files.pythonhosted.org/packages/cb/c5/993ea6d44e3d6f3897cea1f23f53bd4162aef55e67f8bd4cca395e25bdfc/prf-0.0.19.tar.gz#sha256=8438142fedc46cfe688ac6e89a10d64a8af506446f80f5bf6dba0d79cfb2fbac to build tracker '/tmp/pip-req-tracker-vtqg5a0y'
2021-07-12T14:47:14,169     Running setup.py (path:/tmp/pip-wheel-u259xz07/prf_2f43c3753cbc41dea926617679e0bccd/setup.py) egg_info for package prf
2021-07-12T14:47:14,170     Created temporary directory: /tmp/pip-pip-egg-info-3_bu_m9y
2021-07-12T14:47:14,170     Running command python setup.py egg_info
2021-07-12T14:47:15,122     Traceback (most recent call last):
2021-07-12T14:47:15,122       File "<string>", line 1, in <module>
2021-07-12T14:47:15,123       File "/tmp/pip-wheel-u259xz07/prf_2f43c3753cbc41dea926617679e0bccd/setup.py", line 7, in <module>
2021-07-12T14:47:15,123         CHANGES = open(os.path.join(here, 'CHANGES.txt')).read()
2021-07-12T14:47:15,123     FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-wheel-u259xz07/prf_2f43c3753cbc41dea926617679e0bccd/CHANGES.txt'
2021-07-12T14:47:15,172 WARNING: Discarding https://files.pythonhosted.org/packages/cb/c5/993ea6d44e3d6f3897cea1f23f53bd4162aef55e67f8bd4cca395e25bdfc/prf-0.0.19.tar.gz#sha256=8438142fedc46cfe688ac6e89a10d64a8af506446f80f5bf6dba0d79cfb2fbac (from https://pypi.org/simple/prf/). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
2021-07-12T14:47:15,173 ERROR: Could not find a version that satisfies the requirement prf==0.0.19 (from versions: 0.0.7, 0.0.8, 0.0.10, 0.0.11, 0.0.12, 0.0.13, 0.0.14, 0.0.15, 0.0.16, 0.0.19, 0.0.20, 0.0.21, 0.0.22, 0.0.23, 0.0.24, 0.0.25, 0.0.26, 0.0.27, 0.0.28, 1.0.2)
2021-07-12T14:47:15,174 ERROR: No matching distribution found for prf==0.0.19
2021-07-12T14:47:15,174 Exception information:
2021-07-12T14:47:15,174 Traceback (most recent call last):
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 341, in resolve
2021-07-12T14:47:15,174     name, crit = self._merge_into_criterion(r, parent=None)
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-07-12T14:47:15,174     raise RequirementsConflicted(criterion)
2021-07-12T14:47:15,174 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('prf==0.0.19')
2021-07-12T14:47:15,174 
2021-07-12T14:47:15,174 During handling of the above exception, another exception occurred:
2021-07-12T14:47:15,174 
2021-07-12T14:47:15,174 Traceback (most recent call last):
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-07-12T14:47:15,174     result = self._result = resolver.resolve(
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 473, in resolve
2021-07-12T14:47:15,174     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 343, in resolve
2021-07-12T14:47:15,174     raise ResolutionImpossible(e.criterion.information)
2021-07-12T14:47:15,174 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('prf==0.0.19'), parent=None)]
2021-07-12T14:47:15,174 
2021-07-12T14:47:15,174 The above exception was the direct cause of the following exception:
2021-07-12T14:47:15,174 
2021-07-12T14:47:15,174 Traceback (most recent call last):
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-12T14:47:15,174     status = self.run(options, args)
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-12T14:47:15,174     return func(self, options, args)
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/commands/wheel.py", line 142, in run
2021-07-12T14:47:15,174     requirement_set = resolver.resolve(
2021-07-12T14:47:15,174   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 136, in resolve
2021-07-12T14:47:15,174     raise error from e
2021-07-12T14:47:15,174 pip._internal.exceptions.DistributionNotFound: No matching distribution found for prf==0.0.19
2021-07-12T14:47:15,179 Removed prf==0.0.19 from https://files.pythonhosted.org/packages/cb/c5/993ea6d44e3d6f3897cea1f23f53bd4162aef55e67f8bd4cca395e25bdfc/prf-0.0.19.tar.gz#sha256=8438142fedc46cfe688ac6e89a10d64a8af506446f80f5bf6dba0d79cfb2fbac from build tracker '/tmp/pip-req-tracker-vtqg5a0y'
2021-07-12T14:47:15,179 Removed build tracker: '/tmp/pip-req-tracker-vtqg5a0y'