Raise EnvironmentError instead of Exception to make pylint happy

mopidy/__init__.py

@@ -9,7 +9,7 @@ VERSION = (0, 4, 0)
 def get_git_version():
     process = Popen(['git', 'describe'], stdout=PIPE, stderr=PIPE)
     if process.wait() != 0:
-        raise Exception('Execution of "git describe" failed')
+        raise EnvironmentError('Execution of "git describe" failed')
     version = process.stdout.read().strip()
     if version.startswith('v'):
         version = version[1:]
@@ -21,7 +21,7 @@ def get_plain_version():
 def get_version():
     try:
         return get_git_version()
-    except Exception:
+    except EnvironmentError:
         return get_plain_version()
 
 class MopidyException(Exception):