2022-08-04T12:29:02,182 Created temporary directory: /tmp/pip-ephem-wheel-cache-_g_4l2y8 2022-08-04T12:29:02,188 Created temporary directory: /tmp/pip-build-tracker-jzjef8nf 2022-08-04T12:29:02,188 Initialized build tracking at /tmp/pip-build-tracker-jzjef8nf 2022-08-04T12:29:02,189 Created build tracker: /tmp/pip-build-tracker-jzjef8nf 2022-08-04T12:29:02,189 Entered build tracker: /tmp/pip-build-tracker-jzjef8nf 2022-08-04T12:29:02,190 Created temporary directory: /tmp/pip-wheel-361x73o8 2022-08-04T12:29:02,255 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2022-08-04T12:29:02,263 2 location(s) to search for versions of slippers: 2022-08-04T12:29:02,263 * https://pypi.org/simple/slippers/ 2022-08-04T12:29:02,263 * https://www.piwheels.org/simple/slippers/ 2022-08-04T12:29:02,264 Fetching project page and analyzing links: https://pypi.org/simple/slippers/ 2022-08-04T12:29:02,265 Getting page https://pypi.org/simple/slippers/ 2022-08-04T12:29:02,269 Found index url https://pypi.org/simple 2022-08-04T12:29:02,464 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/9f/af/42438da4f6b5886c1ddb98eea0d96b8977ff8ed4aedf375b6df1c435ed80/slippers-0.1.0-py3-none-any.whl#sha256=b18c48309a53e2b7e3ae722cc74e331d2899f087f95fa553af27e6e0fa762df6 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,466 Found link https://files.pythonhosted.org/packages/d1/92/151b3106c50c4ee5dba92f70421a9b582952e01c54bbae1cfdc6df45eb31/slippers-0.1.0.tar.gz#sha256=37ec6b30c714496ff71127b0f6282e4fc2998a6af8adf54d5ac2905fae2c4756 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0), version: 0.1.0 2022-08-04T12:29:02,467 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/f8/84/f3c4f4a5375db48e5b601dcf7ccffcdc48dd4b84ad8db7644f54ea393c4c/slippers-0.1.1-py3-none-any.whl#sha256=58e90e5f50efb9e1700fea8b54720966c03e3bcd1ea6f06ae18bc4a23c0d667f (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,469 Found link https://files.pythonhosted.org/packages/9e/b0/cc76327a2e7f829360b711098fc0742d942b09c64bd49160116a1ae7f94d/slippers-0.1.1.tar.gz#sha256=c77679dcce3a8062fa8a4c1a5e74e0dd2f10334337466141482233b042795c28 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0), version: 0.1.1 2022-08-04T12:29:02,469 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/7c/2c/271c2ac989d9e441b04a27b4d93e5484e9c2b38df3dd5b8423caab15cd65/slippers-0.1.2-py3-none-any.whl#sha256=ac5c3de58959dd0bd3b4e60d8d4d706fa75ed88cf78790f78f027197f48e5402 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,471 Found link https://files.pythonhosted.org/packages/04/2b/31062b1dd23ff0cbf5e686bec6bd6de6b1ab536f96d5c6595af0702fda4b/slippers-0.1.2.tar.gz#sha256=a2129789b08c5902b46db09e19e53c7cb507690cd5d33bf5f45982e0bd897d75 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0), version: 0.1.2 2022-08-04T12:29:02,472 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/9a/cb/9c827b2a3fb2981cb35689eb1d3451caae5c5b2d76eab7cab1cde39c1a9c/slippers-0.1.3-py3-none-any.whl#sha256=376dcabc7ce63bcf8a66b8c93e3ff1cc27c1eb4b2d6705287dca0d022792a955 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,473 Found link https://files.pythonhosted.org/packages/74/3b/37a111b3ec4be966c01249ab2ae54d402a1117bc07c14f3d082d19126e8d/slippers-0.1.3.tar.gz#sha256=edc69e3660c9bec3ac4d7f03bf1ea7e648b362b00c311c5518720b2aa9f70c79 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0), version: 0.1.3 2022-08-04T12:29:02,474 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/5f/8e/3d69381a565c6d6420114e91548a6b297265874d182754d6b0b9827c6e9d/slippers-0.1.4-py3-none-any.whl#sha256=646cef1835e9e150af293506568e3506404b3198321b95603b8ec7c1d7bb2878 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,476 Found link https://files.pythonhosted.org/packages/cc/2f/bf9cc38c0d1365aa627fb12890186bd83b52ddae7287d66b851774e43ad6/slippers-0.1.4.tar.gz#sha256=cad7e33584344732a1224bae5e23faea86135c913ce901092072bc994ef9d0b7 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0), version: 0.1.4 2022-08-04T12:29:02,476 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/e6/ee/4a74e1b098cac434200175de1f212d9d32ecde87987745b8537f2310a248/slippers-0.2.0-py3-none-any.whl#sha256=c4a5055f09c1da6ff18119e0c32635045f90b94129f7b1052dc86544b9e32262 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,478 Found link https://files.pythonhosted.org/packages/2f/6f/efda51d3a2190699137ea025f590d202a94cd5e0e1c70cc256f4c4d38861/slippers-0.2.0.tar.gz#sha256=8396cc93bf2050894ca773e5351f08b77f4ece49504e852e1e27f84e77a8b3e9 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0), version: 0.2.0 2022-08-04T12:29:02,479 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/b7/77/55299f52e3c248c2e080d70658914e61edc02bb1226a55bb060e41b3d348/slippers-0.3.0-py3-none-any.whl#sha256=f874e551570d1bf5e085f9d9fb617f793612f7c3c9c86702e9660ff1cd1f77de (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,480 Found link https://files.pythonhosted.org/packages/5e/d3/95d8b2d4680c4258395c5e788382f5369abf5a3c414c7d4fd8f3c34b198b/slippers-0.3.0.tar.gz#sha256=290a0e4d160ab8eed4d753dd29ce0474a11bfca72864b7558042e2e0fcb4aec8 (from https://pypi.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0), version: 0.3.0 2022-08-04T12:29:02,481 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/19/0e/f21d046bf6eea1e4539ff799dcc4d31a6869ebdbad13ae99519a65005cd7/slippers-0.3.1-py3-none-any.whl#sha256=a85938c478210dd1827a82e6a2c673bda6ccedc1c108984e1126e1fa27559dfb (from https://pypi.org/simple/slippers/) (requires-python:>=3.7.0,<4.0.0) 2022-08-04T12:29:02,483 Found link https://files.pythonhosted.org/packages/3d/fb/4a5d75113170fb21046c029c6c6314c126b58768c9cb4afa2cb199260a8c/slippers-0.3.1.tar.gz#sha256=6d0f29ef34f28a5608c36079d7fe12952e5e6c16a9d0b4d1a828be262af41850 (from https://pypi.org/simple/slippers/) (requires-python:>=3.7.0,<4.0.0), version: 0.3.1 2022-08-04T12:29:02,484 Skipping link: No binaries permitted for slippers: https://files.pythonhosted.org/packages/96/20/f979615717d65bfa24cb8e727fbf8698c7ea37a708278d7488ed1018274e/slippers-0.3.2-py3-none-any.whl#sha256=bdc9742145decd375a3816e23c5717f1fa21e2b81bd067ad57afc28d681b54b7 (from https://pypi.org/simple/slippers/) (requires-python:>=3.7.0,<4.0.0) 2022-08-04T12:29:02,485 Found link https://files.pythonhosted.org/packages/5c/bc/0bba424368a839303bcc2576b76f3a7c4056253be387271cbba59ea9b4f3/slippers-0.3.2.tar.gz#sha256=52862837f300548253d551eb6b33fec9d1930f40ee962b8709bb7bf7382d8e2b (from https://pypi.org/simple/slippers/) (requires-python:>=3.7.0,<4.0.0), version: 0.3.2 2022-08-04T12:29:02,486 Fetching project page and analyzing links: https://www.piwheels.org/simple/slippers/ 2022-08-04T12:29:02,487 Getting page https://www.piwheels.org/simple/slippers/ 2022-08-04T12:29:02,489 Found index url https://www.piwheels.org/simple 2022-08-04T12:29:02,845 Skipping link: No binaries permitted for slippers: https://www.piwheels.org/simple/slippers/slippers-0.3.1-py3-none-any.whl#sha256=4305fe4227f77e9087fffab397ede2703fc4e5e4c32e1e37f0daeb95f174fdcd (from https://www.piwheels.org/simple/slippers/) (requires-python:>=3.7.0,<4.0.0) 2022-08-04T12:29:02,846 Skipping link: No binaries permitted for slippers: https://www.piwheels.org/simple/slippers/slippers-0.3.0-py3-none-any.whl#sha256=f2375499211666fafa0f8c28e6f5d7efbd5eee512824c669bd20f7d8c0d4d238 (from https://www.piwheels.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,846 Skipping link: No binaries permitted for slippers: https://www.piwheels.org/simple/slippers/slippers-0.2.0-py3-none-any.whl#sha256=d4d7a99ab749bc4955423b525fe17b6116702cfc9179e84129e9becf569ca448 (from https://www.piwheels.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,847 Skipping link: No binaries permitted for slippers: https://www.piwheels.org/simple/slippers/slippers-0.1.4-py3-none-any.whl#sha256=646cef1835e9e150af293506568e3506404b3198321b95603b8ec7c1d7bb2878 (from https://www.piwheels.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,848 Skipping link: No binaries permitted for slippers: https://www.piwheels.org/simple/slippers/slippers-0.1.3-py3-none-any.whl#sha256=376dcabc7ce63bcf8a66b8c93e3ff1cc27c1eb4b2d6705287dca0d022792a955 (from https://www.piwheels.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,848 Skipping link: No binaries permitted for slippers: https://www.piwheels.org/simple/slippers/slippers-0.1.2-py3-none-any.whl#sha256=ac5c3de58959dd0bd3b4e60d8d4d706fa75ed88cf78790f78f027197f48e5402 (from https://www.piwheels.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,849 Skipping link: No binaries permitted for slippers: https://www.piwheels.org/simple/slippers/slippers-0.1.1-py3-none-any.whl#sha256=58e90e5f50efb9e1700fea8b54720966c03e3bcd1ea6f06ae18bc4a23c0d667f (from https://www.piwheels.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,849 Skipping link: No binaries permitted for slippers: https://www.piwheels.org/simple/slippers/slippers-0.1.0-py3-none-any.whl#sha256=b18c48309a53e2b7e3ae722cc74e331d2899f087f95fa553af27e6e0fa762df6 (from https://www.piwheels.org/simple/slippers/) (requires-python:>=3.6.2,<4.0.0) 2022-08-04T12:29:02,850 Skipping link: not a file: https://www.piwheels.org/simple/slippers/ 2022-08-04T12:29:02,850 Skipping link: not a file: https://pypi.org/simple/slippers/ 2022-08-04T12:29:02,887 Given no hashes to check 1 links for project 'slippers': discarding no candidates 2022-08-04T12:29:02,918 Collecting slippers==0.3.2 2022-08-04T12:29:02,923 Created temporary directory: /tmp/pip-unpack-3q92_kdb 2022-08-04T12:29:03,151 Downloading slippers-0.3.2.tar.gz (5.6 kB) 2022-08-04T12:29:03,208 Added slippers==0.3.2 from https://files.pythonhosted.org/packages/5c/bc/0bba424368a839303bcc2576b76f3a7c4056253be387271cbba59ea9b4f3/slippers-0.3.2.tar.gz#sha256=52862837f300548253d551eb6b33fec9d1930f40ee962b8709bb7bf7382d8e2b to build tracker '/tmp/pip-build-tracker-jzjef8nf' 2022-08-04T12:29:03,222 Created temporary directory: /tmp/pip-build-env-cll3uycw 2022-08-04T12:29:03,237 Created temporary directory: /tmp/pip-standalone-pip-gcw0rqpm 2022-08-04T12:29:05,476 Installing build dependencies: started 2022-08-04T12:29:05,478 Running command pip subprocess to install build dependencies 2022-08-04T12:29:15,088 Using pip 22.1.2 from /tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip (python 3.7) 2022-08-04T12:29:16,567 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2022-08-04T12:29:17,355 Collecting poetry-core>=1.0.0 2022-08-04T12:29:17,465 Using cached https://www.piwheels.org/simple/poetry-core/poetry_core-1.0.8-py2.py3-none-any.whl (425 kB) 2022-08-04T12:29:18,576 Collecting importlib-metadata<2.0.0,>=1.7.0 2022-08-04T12:29:18,610 Using cached https://www.piwheels.org/simple/importlib-metadata/importlib_metadata-1.7.0-py2.py3-none-any.whl (31 kB) 2022-08-04T12:29:19,096 Collecting zipp>=0.5 2022-08-04T12:29:19,128 Using cached https://www.piwheels.org/simple/zipp/zipp-3.8.1-py3-none-any.whl (5.6 kB) 2022-08-04T12:29:24,757 Installing collected packages: zipp, importlib-metadata, poetry-core 2022-08-04T12:29:28,025 Successfully installed importlib-metadata-1.7.0 poetry-core-1.0.8 zipp-3.8.1 2022-08-04T12:29:28,255 --- Logging error --- 2022-08-04T12:29:28,255 Traceback (most recent call last): 2022-08-04T12:29:28,256 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/utils/logging.py", line 177, in emit 2022-08-04T12:29:28,256 self.console.print(renderable, overflow="ignore", crop=False, style=style) 2022-08-04T12:29:28,256 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_vendor/rich/console.py", line 1752, in print 2022-08-04T12:29:28,257 extend(render(renderable, render_options)) 2022-08-04T12:29:28,257 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_vendor/rich/console.py", line 1390, in render 2022-08-04T12:29:28,257 for render_output in iter_render: 2022-08-04T12:29:28,258 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/utils/logging.py", line 134, in __rich_console__ 2022-08-04T12:29:28,258 for line in lines: 2022-08-04T12:29:28,258 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_vendor/rich/segment.py", line 245, in split_lines 2022-08-04T12:29:28,259 for segment in segments: 2022-08-04T12:29:28,259 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_vendor/rich/console.py", line 1368, in render 2022-08-04T12:29:28,259 renderable = rich_cast(renderable) 2022-08-04T12:29:28,260 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_vendor/rich/protocol.py", line 36, in rich_cast 2022-08-04T12:29:28,260 renderable = cast_method() 2022-08-04T12:29:28,260 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/self_outdated_check.py", line 130, in __rich__ 2022-08-04T12:29:28,260 pip_cmd = get_best_invocation_for_this_pip() 2022-08-04T12:29:28,261 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/utils/entrypoints.py", line 60, in get_best_invocation_for_this_pip 2022-08-04T12:29:28,261 os.path.join(binary_prefix, exe_name), 2022-08-04T12:29:28,261 File "/usr/lib/python3.7/genericpath.py", line 97, in samefile 2022-08-04T12:29:28,262 s2 = os.stat(f2) 2022-08-04T12:29:28,262 FileNotFoundError: [Errno 2] No such file or directory: '/usr/bin/pip3.7' 2022-08-04T12:29:28,262 Call stack: 2022-08-04T12:29:28,263 File "/usr/lib/python3.7/runpy.py", line 193, in _run_module_as_main 2022-08-04T12:29:28,263 "__main__", mod_spec) 2022-08-04T12:29:28,263 File "/usr/lib/python3.7/runpy.py", line 85, in _run_code 2022-08-04T12:29:28,264 exec(code, run_globals) 2022-08-04T12:29:28,264 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/__main__.py", line 31, in 2022-08-04T12:29:28,264 sys.exit(_main()) 2022-08-04T12:29:28,265 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/cli/main.py", line 70, in main 2022-08-04T12:29:28,265 return command.main(cmd_args) 2022-08-04T12:29:28,265 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/cli/base_command.py", line 101, in main 2022-08-04T12:29:28,265 return self._main(args) 2022-08-04T12:29:28,266 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/cli/base_command.py", line 223, in _main 2022-08-04T12:29:28,266 self.handle_pip_version_check(options) 2022-08-04T12:29:28,266 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/cli/req_command.py", line 148, in handle_pip_version_check 2022-08-04T12:29:28,267 pip_self_version_check(session, options) 2022-08-04T12:29:28,267 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/self_outdated_check.py", line 237, in pip_self_version_check 2022-08-04T12:29:28,267 logger.info("[present-rich] %s", upgrade_prompt) 2022-08-04T12:29:28,268 File "/usr/lib/python3.7/logging/__init__.py", line 1383, in info 2022-08-04T12:29:28,268 self._log(INFO, msg, args, **kwargs) 2022-08-04T12:29:28,268 File "/usr/lib/python3.7/logging/__init__.py", line 1519, in _log 2022-08-04T12:29:28,269 self.handle(record) 2022-08-04T12:29:28,269 File "/usr/lib/python3.7/logging/__init__.py", line 1529, in handle 2022-08-04T12:29:28,269 self.callHandlers(record) 2022-08-04T12:29:28,269 File "/usr/lib/python3.7/logging/__init__.py", line 1591, in callHandlers 2022-08-04T12:29:28,270 hdlr.handle(record) 2022-08-04T12:29:28,270 File "/usr/lib/python3.7/logging/__init__.py", line 905, in handle 2022-08-04T12:29:28,270 self.emit(record) 2022-08-04T12:29:28,271 File "/tmp/pip-standalone-pip-gcw0rqpm/__env_pip__.zip/pip/_internal/utils/logging.py", line 179, in emit 2022-08-04T12:29:28,271 self.handleError(record) 2022-08-04T12:29:28,271 Message: '[present-rich] %s' 2022-08-04T12:29:28,272 Arguments: (UpgradePrompt(old='22.1.2', new='22.2.1'),) 2022-08-04T12:29:28,668 Installing build dependencies: finished with status 'done' 2022-08-04T12:29:28,695 Getting requirements to build wheel: started 2022-08-04T12:29:28,697 Running command Getting requirements to build wheel 2022-08-04T12:29:32,471 Getting requirements to build wheel: finished with status 'done' 2022-08-04T12:29:32,487 Created temporary directory: /tmp/pip-modern-metadata-6_2_tupk 2022-08-04T12:29:32,493 Preparing metadata (pyproject.toml): started 2022-08-04T12:29:32,495 Running command Preparing metadata (pyproject.toml) 2022-08-04T12:29:36,383 Preparing metadata (pyproject.toml): finished with status 'done' 2022-08-04T12:29:36,399 Source in /tmp/pip-wheel-361x73o8/slippers_11072d24b5a54412a11f606e63344fce has version 0.3.2, which satisfies requirement slippers==0.3.2 from https://files.pythonhosted.org/packages/5c/bc/0bba424368a839303bcc2576b76f3a7c4056253be387271cbba59ea9b4f3/slippers-0.3.2.tar.gz#sha256=52862837f300548253d551eb6b33fec9d1930f40ee962b8709bb7bf7382d8e2b 2022-08-04T12:29:36,401 Removed slippers==0.3.2 from https://files.pythonhosted.org/packages/5c/bc/0bba424368a839303bcc2576b76f3a7c4056253be387271cbba59ea9b4f3/slippers-0.3.2.tar.gz#sha256=52862837f300548253d551eb6b33fec9d1930f40ee962b8709bb7bf7382d8e2b from build tracker '/tmp/pip-build-tracker-jzjef8nf' 2022-08-04T12:29:36,415 Created temporary directory: /tmp/pip-unpack-kbigzy39 2022-08-04T12:29:36,416 Building wheels for collected packages: slippers 2022-08-04T12:29:36,426 Created temporary directory: /tmp/pip-wheel-ffx1kb2c 2022-08-04T12:29:36,427 Destination directory: /tmp/pip-wheel-ffx1kb2c 2022-08-04T12:29:36,432 Building wheel for slippers (pyproject.toml): started 2022-08-04T12:29:36,434 Running command Building wheel for slippers (pyproject.toml) 2022-08-04T12:29:40,350 Building wheel for slippers (pyproject.toml): finished with status 'done' 2022-08-04T12:29:40,363 Created wheel for slippers: filename=slippers-0.3.2-py3-none-any.whl size=6568 sha256=68204512104509cabff3f2cc36add0ce15e7848788f4489a11c2d1779e2e1311 2022-08-04T12:29:40,365 Stored in directory: /tmp/pip-ephem-wheel-cache-_g_4l2y8/wheels/13/14/dc/44caf872b212bb6df702994b2d88631842b10c674c959f4728 2022-08-04T12:29:40,387 Successfully built slippers 2022-08-04T12:29:40,395 Removed build tracker: '/tmp/pip-build-tracker-jzjef8nf'