Collecting google-cloud-trace==0.15.4
  1 location(s) to search for versions of google-cloud-trace:
  * https://pypi.python.org/simple/google-cloud-trace/
  Getting page https://pypi.python.org/simple/google-cloud-trace/
  Analyzing links from page https://pypi.python.org/simple/google-cloud-trace/
    Found link https://pypi.python.org/packages/c9/bf/aca2eb3f173457d7be487452fea5eb1c8ab8902f53d7c8f3cdc798e6156f/google-cloud-trace-0.15.4.tar.gz#md5=4e78016f2bac6553255b4950a468d1e3 (from https://pypi.python.org/simple/google-cloud-trace/), version: 0.15.4
    Found link https://pypi.python.org/packages/cb/b8/f633852b55bd62f492bfb306d173accd1833d62e4b8bc3442eb2e0015d89/google_cloud_trace-0.15.4-py3-none-any.whl#md5=9943865c0c088ff22d30f4475bd5235c (from https://pypi.python.org/simple/google-cloud-trace/), version: 0.15.4
  Using version 0.15.4 (newest of versions: 0.15.4)
  Downloading google_cloud_trace-0.15.4-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/cb/b8/f633852b55bd62f492bfb306d173accd1833d62e4b8bc3442eb2e0015d89/google_cloud_trace-0.15.4-py3-none-any.whl#md5=9943865c0c088ff22d30f4475bd5235c (from https://pypi.python.org/simple/google-cloud-trace/)
  Saved /tmp/tmp2wnxg0q6/google_cloud_trace-0.15.4-py3-none-any.whl
Skipping google-cloud-trace, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-4jck45ii/google-cloud-trace