Read the Docs build information Build id: 14561 Project: deployed-controls-fxe Version: latest Commit: 97e4246a8a25b11cd8de1f1ea6fda2b284850171 Date: 2020-01-23T09:51:15.027257Z State: finished Success: False [rtd-command-info] start-time: 2020-01-23T15:51:36.329000Z, end-time: 2020-01-23T15:51:36.590000Z, duration: 0, exit-code: 1 python3 -mvirtualenv --system-site-packages --no-download /user_builds/deployed-controls-fxe/envs/latest Traceback (most recent call last): File "/usr/lib/python3.4/runpy.py", line 170, in _run_module_as_main "__main__", mod_spec) File "/usr/lib/python3.4/runpy.py", line 85, in _run_code exec(code, run_globals) File "/usr/local/lib/python3.4/dist-packages/virtualenv.py", line 2328, in main() File "/usr/local/lib/python3.4/dist-packages/virtualenv.py", line 713, in main symlink=options.symlink) File "/usr/local/lib/python3.4/dist-packages/virtualenv.py", line 925, in create_environment site_packages=site_packages, clear=clear, symlink=symlink)) File "/usr/local/lib/python3.4/dist-packages/virtualenv.py", line 1231, in install_python shutil.copyfile(executable, py_executable) File "/usr/lib/python3.4/shutil.py", line 108, in copyfile with open(dst, 'wb') as fdst: OSError: [Errno 26] Text file busy: '/user_builds/deployed-controls-fxe/envs/latest/bin/python3' Using base prefix '/usr' New python executable in /user_builds/deployed-controls-fxe/envs/latest/bin/python3