Created temporary directory: /tmp/pip-ephem-wheel-cache-pq6f8m1z
Created temporary directory: /tmp/pip-req-tracker-iy5r9eg3
Created requirements tracker '/tmp/pip-req-tracker-iy5r9eg3'
Created temporary directory: /tmp/pip-wheel-xzmqbhl0
Collecting rvtts==1.0.1
  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
    Found link https://files.pythonhosted.org/packages/36/c1/3e7eb5cb694e6884647cf399095fcd2af5089a1474ba7228be44bd201be1/rvtts-1.0.1-py3-none-any.whl#sha256=a673fefc802f96e340043dd938a6fa3f8bd7222f35e742b692b4c9d6ee539cc7 (from https://pypi.org/simple/rvtts/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/de/5c/5dfb2ac2d30754a845f2febd6d332b27bd674e666e28a3c9a62e62aa3186/rvtts-1.0.1.tar.gz#sha256=f817ad337cf7db9293b341f490678c6925923dbe6ab21d5f9d0159d9172f5e57 (from https://pypi.org/simple/rvtts/), version: 1.0.1
  Using version 1.0.1 (newest of versions: 1.0.1)
  Created temporary directory: /tmp/pip-unpack-_pj99o15
  Downloading https://files.pythonhosted.org/packages/36/c1/3e7eb5cb694e6884647cf399095fcd2af5089a1474ba7228be44bd201be1/rvtts-1.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/36/c1/3e7eb5cb694e6884647cf399095fcd2af5089a1474ba7228be44bd201be1/rvtts-1.0.1-py3-none-any.whl#sha256=a673fefc802f96e340043dd938a6fa3f8bd7222f35e742b692b4c9d6ee539cc7 (from https://pypi.org/simple/rvtts/)
  Saved /tmp/tmpro_n_up4/rvtts-1.0.1-py3-none-any.whl
  Added rvtts==1.0.1 from https://files.pythonhosted.org/packages/36/c1/3e7eb5cb694e6884647cf399095fcd2af5089a1474ba7228be44bd201be1/rvtts-1.0.1-py3-none-any.whl#sha256=a673fefc802f96e340043dd938a6fa3f8bd7222f35e742b692b4c9d6ee539cc7 to build tracker '/tmp/pip-req-tracker-iy5r9eg3'
  Removed rvtts==1.0.1 from https://files.pythonhosted.org/packages/36/c1/3e7eb5cb694e6884647cf399095fcd2af5089a1474ba7228be44bd201be1/rvtts-1.0.1-py3-none-any.whl#sha256=a673fefc802f96e340043dd938a6fa3f8bd7222f35e742b692b4c9d6ee539cc7 from build tracker '/tmp/pip-req-tracker-iy5r9eg3'
Skipping rvtts, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-xzmqbhl0/rvtts
Removed build tracker '/tmp/pip-req-tracker-iy5r9eg3'