warnings.warn(msg)
Download error on invalid://uri/pexpect/: unknown url type: invalid -- Some packages may not be found!
Couldn't find index page for 'pexpect' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading invalid://uri/
Download error on invalid://uri/: unknown url type: invalid -- Some packages may not be found!
No local packages or working download links found for pexpect
error: Could not find suitable distribution for Requirement.parse('pexpect')
section_end:1539873122:build_script
section_start:1539873122:after_script
section_end:1539873123:after_script
section_start:1539873123:upload_artifacts_on_failure
section_end:1539873124:upload_artifacts_on_failure
ERROR: Job failed: exit code 1