[lint] Limit unneccessarily broad except clauses

Add exception qualifier(s) to bare except clauses swallowing exceptions.

discord/abc.py

@@ -32,7 +32,7 @@ from collections import namedtuple
 
 from .iterators import HistoryIterator
 from .context_managers import Typing
-from .errors import InvalidArgument, ClientException
+from .errors import InvalidArgument, ClientException, HTTPException
 from .permissions import PermissionOverwrite, Permissions
 from .role import Role
 from .invite import Invite
@@ -578,7 +578,7 @@ class GuildChannel:
                 raise InvalidArgument('No overwrite provided.')
             try:
                 overwrite = PermissionOverwrite(**permissions)
-            except:
+            except (ValueError, TypeError):
                 raise InvalidArgument('Invalid permissions given to keyword arguments.')
         else:
             if len(permissions) > 0:
@@ -778,7 +778,7 @@ class Messageable(metaclass=abc.ABCMeta):
                 await asyncio.sleep(delete_after, loop=state.loop)
                 try:
                     await ret.delete()
-                except:
+                except HTTPException:
                     pass
             asyncio.ensure_future(delete(), loop=state.loop)
         return ret
@@ -981,7 +981,7 @@ class Connectable(metaclass=abc.ABCMeta):
         except asyncio.TimeoutError as e:
             try:
                 await voice.disconnect(force=True)
-            except:
+            except Exception:
                 # we don't care if disconnect failed because connection failed
                 pass
             raise e # re-raise