Issue #5991: Sync fails with TypeError: unsupported operand type(s) for -=: 'Retry' and 'int'

Issue #5991

There have been \~4 reports of this so far across katello and satellite. Its unclear how to reproduce: 

 

 https://community.theforeman.org/t/foreman-proxy-content-not-synchronising/16774 

 

 Full traceback: 

 

 ~~~ 
 
 for-proxy pulp: nectar.downloaders.threaded:INFO: Download succeeded: https://foreman.local.com/pulp/repos/test/Testing_Centos7/CentOS7_Content_View/custom/CentOS_7_x86_64/foreman-plugins-124/repodata/7a7b0438a55a08de21727c1a4dfbfe479b9e6eeb17d7b6f5732d61e027c7b021-filelists.xml.gz. 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152) unsupported operand type(s) for -=: 'Retry' and 'int' 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152) Traceback (most recent call last): 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)     File "/usr/lib/python2.7/site-packages/nectar/downloaders/threaded.py", line 274, in _fetch 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)       **requests_kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 498, in get 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)       return self.request('GET', url, **kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 486, in request 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)       resp = self.send(prep, **send_kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 598, in send 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)       r = adapter.send(request, **kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)     File "/usr/lib/python2.7/site-packages/requests/adapters.py", line 370, in send 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)       timeout=timeout 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)     File "/usr/lib/python2.7/site-packages/urllib3/connectionpool.py", line 597, in urlopen 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)       _stacktrace=sys.exc_info()[2]) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)     File "/usr/lib/python2.7/site-packages/urllib3/util/retry.py", line 236, in increment 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152)       total -= 1 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-97152) TypeError: unsupported operand type(s) for -=: 'Retry' and 'int' 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440) unsupported operand type(s) for -=: 'Retry' and 'int' 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288) unsupported operand type(s) for -=: 'Retry' and 'int' 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440) Traceback (most recent call last): 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288) Traceback (most recent call last): 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)     File "/usr/lib/python2.7/site-packages/nectar/downloaders/threaded.py", line 274, in _fetch 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)     File "/usr/lib/python2.7/site-packages/nectar/downloaders/threaded.py", line 274, in _fetch 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)       **requests_kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)       **requests_kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 498, in get 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 498, in get 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)       return self.request('GET', url, **kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)       return self.request('GET', url, **kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 486, in request 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 486, in request 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)       resp = self.send(prep, **send_kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)       resp = self.send(prep, **send_kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 598, in send 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)     File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 598, in send 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)       r = adapter.send(request, **kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)       r = adapter.send(request, **kwargs) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)     File "/usr/lib/python2.7/site-packages/requests/adapters.py", line 370, in send 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)     File "/usr/lib/python2.7/site-packages/requests/adapters.py", line 370, in send 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)       timeout=timeout 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)       timeout=timeout 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)     File "/usr/lib/python2.7/site-packages/urllib3/connectionpool.py", line 597, in urlopen 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)     File "/usr/lib/python2.7/site-packages/urllib3/connectionpool.py", line 597, in urlopen 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)       _stacktrace=sys.exc_info()[2]) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)       _stacktrace=sys.exc_info()[2]) 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)     File "/usr/lib/python2.7/site-packages/urllib3/util/retry.py", line 236, in increment 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11673-01440)     File "/usr/lib/python2.7/site-packages/urllib3/util/retry.py", line 236, in increment 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288)       total -= 1 
 
 Jan    2 00:49:49 for-proxy pulp: nectar.downloaders.threaded:ERROR: (11692-72288) TypeError: unsupported operand type(s) for -=: 'Retry' and 'int'. 
 
 Katello::Errors::PulpError: RPM1004: Error retrieving metadata: Error 'unsupported operand type(s) for -=: 'Retry' and 'int''  
  
 ~~~
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Issue #5991
