Revert using exc_info=True

coveralls/git.py

@@ -74,7 +74,7 @@ def git_info():
         remotes = [{'name': line.split()[0], 'url': line.split()[1]}
                    for line in run_command('git', 'remote', '-v').splitlines()
                    if '(fetch)' in line]
-    except (CoverallsException, EnvironmentError):
+    except (CoverallsException, EnvironmentError) as ex:
         # When git is not available, try env vars as per Coveralls docs:
         # https://docs.coveralls.io/mercurial-support
         # Additionally, these variables have been extended by GIT_URL and
@@ -95,7 +95,7 @@ def git_info():
         if not all(head.values()):
             log.warning('Failed collecting git data. Are you running '
                         'coveralls inside a git repository? Is git installed?',
-                        exc_info=True)
+                        exc_info=ex)
             return {}
 
     return {