socket.error → OSError

In Python ≥ 3.3, socket.error is an alias of OSError.

https://docs.python.org/3/library/socket.html#socket.error

This is a suggestion from pyupgrade:
https://github.com/asottile/pyupgrade#oserror-aliases

Author: DimitriPapadopoulos

setuptools/command/upload_docs.py

@@ -8,7 +8,6 @@
 from distutils import log
 from distutils.errors import DistutilsOptionError
 import os
-import socket
 import zipfile
 import tempfile
 import shutil
@@ -201,7 +200,7 @@ def upload_file(self, filename):
             conn.putheader('Authorization', auth)
             conn.endheaders()
             conn.send(body)
-        except socket.error as e:
+        except OSError as e:
             self.announce(str(e), log.ERROR)
             return
 

setuptools/package_index.py

@@ -806,7 +806,7 @@ def open_url(self, url, warning=None):  # noqa: C901  # is too complex (12)
                     '%s returned a bad status line. The server might be '
                     'down, %s' % (url, v.line)
                 ) from v
-        except (http.client.HTTPException, socket.error) as v:
+        except (http.client.HTTPException, OSError) as v:
             if warning:
                 self.warn(warning, v)
             else: