Created temporary directory: /tmp/pip-ephem-wheel-cache-d_epxjlz
Created temporary directory: /tmp/pip-req-tracker-5pa_hneq
Created requirements tracker '/tmp/pip-req-tracker-5pa_hneq'
Created temporary directory: /tmp/pip-wheel-td7___kr
Collecting rvtts==1.0
  1 location(s) to search for versions of rvtts:
  * https://pypi.org/simple/rvtts/
  Getting page https://pypi.org/simple/rvtts/
  Analyzing links from page https://pypi.org/simple/rvtts/
    Found link https://files.pythonhosted.org/packages/a7/b7/7d953210a8fe563257863ba477266f2f0847e57900e4a398be0bab6ba1c0/rvtts-1.0-py3-none-any.whl#sha256=938574301b2c89a3c5e7890c88b7a3fb5330e97d9fe959975eeb56c3ca2a9023 (from https://pypi.org/simple/rvtts/), version: 1.0
    Found link https://files.pythonhosted.org/packages/47/90/5f8104d0b7cafb149e1dba8b0ae6ce3f94c8786b24f066e030d3fab9acbc/rvtts-1.0.tar.gz#sha256=fb7003459c1f7f42bfc8ea003d31efac869fd16c9675e9054349b3a4add8cdd5 (from https://pypi.org/simple/rvtts/), version: 1.0
  Using version 1.0 (newest of versions: 1.0)
  Created temporary directory: /tmp/pip-unpack-fewckcyj
  Downloading https://files.pythonhosted.org/packages/a7/b7/7d953210a8fe563257863ba477266f2f0847e57900e4a398be0bab6ba1c0/rvtts-1.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/a7/b7/7d953210a8fe563257863ba477266f2f0847e57900e4a398be0bab6ba1c0/rvtts-1.0-py3-none-any.whl#sha256=938574301b2c89a3c5e7890c88b7a3fb5330e97d9fe959975eeb56c3ca2a9023 (from https://pypi.org/simple/rvtts/)
  Saved /tmp/tmp6xmxgvh5/rvtts-1.0-py3-none-any.whl
  Added rvtts==1.0 from https://files.pythonhosted.org/packages/a7/b7/7d953210a8fe563257863ba477266f2f0847e57900e4a398be0bab6ba1c0/rvtts-1.0-py3-none-any.whl#sha256=938574301b2c89a3c5e7890c88b7a3fb5330e97d9fe959975eeb56c3ca2a9023 to build tracker '/tmp/pip-req-tracker-5pa_hneq'
  Removed rvtts==1.0 from https://files.pythonhosted.org/packages/a7/b7/7d953210a8fe563257863ba477266f2f0847e57900e4a398be0bab6ba1c0/rvtts-1.0-py3-none-any.whl#sha256=938574301b2c89a3c5e7890c88b7a3fb5330e97d9fe959975eeb56c3ca2a9023 from build tracker '/tmp/pip-req-tracker-5pa_hneq'
Skipping rvtts, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-td7___kr/rvtts
Removed build tracker '/tmp/pip-req-tracker-5pa_hneq'