Created temporary directory: /tmp/pip-ephem-wheel-cache-cylto7h8
Created temporary directory: /tmp/pip-req-tracker-zadcsap3
Created requirements tracker '/tmp/pip-req-tracker-zadcsap3'
Created temporary directory: /tmp/pip-wheel-xk6k12lw
Collecting arith-lib==2.0.0
  1 location(s) to search for versions of arith-lib:
  * https://pypi.org/simple/arith-lib/
  Getting page https://pypi.org/simple/arith-lib/
  Analyzing links from page https://pypi.org/simple/arith-lib/
    Found link https://files.pythonhosted.org/packages/ec/96/ac7fdf565957aeb693b1feeb5fbe3d42c9e8b7e99b6bcbd6117b29d7b191/arith_lib-0.0.1.zip#sha256=95f23d8faf76900a695d94ff064e0446bda846795de3fe2bbd7e2fa80a141712 (from https://pypi.org/simple/arith-lib/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/38/0a/a70baa27fac1b428229eca1ecb18e9358e7a9dac65bb24e7a18b109046a4/arith_lib-2.0.0-py3-none-any.whl#sha256=ea6c3f6722ca0bfc163c9df5c65eb7a7a70d0b98ef9fcf413b367e9a38f341a7 (from https://pypi.org/simple/arith-lib/), version: 2.0.0
    Found link https://files.pythonhosted.org/packages/ed/65/b0db31b1fcfd1e22a93708c52d68144e2b12aaf1713ca2ed5b81c5d73ca3/arith_lib-2.0.0.tar.gz#sha256=304b05d376b69e86e49f1527f3cdc4674c5d8182cbf86f331586ca71b1d5ea47 (from https://pypi.org/simple/arith-lib/), version: 2.0.0
  Using version 2.0.0 (newest of versions: 2.0.0)
  Created temporary directory: /tmp/pip-unpack-u1qgntsv
  Downloading https://files.pythonhosted.org/packages/38/0a/a70baa27fac1b428229eca1ecb18e9358e7a9dac65bb24e7a18b109046a4/arith_lib-2.0.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/38/0a/a70baa27fac1b428229eca1ecb18e9358e7a9dac65bb24e7a18b109046a4/arith_lib-2.0.0-py3-none-any.whl#sha256=ea6c3f6722ca0bfc163c9df5c65eb7a7a70d0b98ef9fcf413b367e9a38f341a7 (from https://pypi.org/simple/arith-lib/)
  Saved /tmp/tmpow8sw4jr/arith_lib-2.0.0-py3-none-any.whl
  Added arith-lib==2.0.0 from https://files.pythonhosted.org/packages/38/0a/a70baa27fac1b428229eca1ecb18e9358e7a9dac65bb24e7a18b109046a4/arith_lib-2.0.0-py3-none-any.whl#sha256=ea6c3f6722ca0bfc163c9df5c65eb7a7a70d0b98ef9fcf413b367e9a38f341a7 to build tracker '/tmp/pip-req-tracker-zadcsap3'
  Removed arith-lib==2.0.0 from https://files.pythonhosted.org/packages/38/0a/a70baa27fac1b428229eca1ecb18e9358e7a9dac65bb24e7a18b109046a4/arith_lib-2.0.0-py3-none-any.whl#sha256=ea6c3f6722ca0bfc163c9df5c65eb7a7a70d0b98ef9fcf413b367e9a38f341a7 from build tracker '/tmp/pip-req-tracker-zadcsap3'
Skipping arith-lib, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-xk6k12lw/arith-lib
Removed build tracker '/tmp/pip-req-tracker-zadcsap3'