[meld] Clean up bare exceptions

[Kai Willadsen <kaiw src gnome org>]

commit beaf245ced0f628133ec29300fa39a29a5c124bf
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Dec 17 06:25:50 2017 +1000

    Clean up bare exceptions
    
    All of these cases do actually mean to catch everything, but they still
    shouldn't be bare excepts.

 meld/meldapp.py | 2 +-
 meld/vc/_vc.py  | 2 +-
 meld/vcview.py  | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/meld/meldapp.py b/meld/meldapp.py
index 8027c8a3..5706cfc1 100644
--- a/meld/meldapp.py
+++ b/meld/meldapp.py
@@ -207,7 +207,7 @@ class MeldApp(Gtk.Application):
                 try:
                     self.command_line.do_print_literal(
                         self.command_line, self.output.getvalue())
-                except:
+                except Exception:
                     print(self.output.getvalue())
                 self.exit_status = status
 
diff --git a/meld/vc/_vc.py b/meld/vc/_vc.py
index 90aa98ec..e57a2ea3 100644
--- a/meld/vc/_vc.py
+++ b/meld/vc/_vc.py
@@ -334,7 +334,7 @@ class Vc(object):
         try:
             call([cls.CMD])
             return True
-        except:
+        except Exception:
             return False
 
     @classmethod
diff --git a/meld/vcview.py b/meld/vcview.py
index d33d36ce..239bc358 100644
--- a/meld/vcview.py
+++ b/meld/vcview.py
@@ -60,7 +60,7 @@ def cleanup_temp():
             if os.name == "nt":
                 os.chmod(f, stat.S_IWRITE)
             os.remove(f)
-        except:
+        except Exception:
             except_str = "{0[0]}: \"{0[1]}\"".format(sys.exc_info())
             print("File \"{0}\" not removed due to".format(f), except_str,
                   file=sys.stderr)
@@ -69,7 +69,7 @@ def cleanup_temp():
             assert (os.path.exists(f) and os.path.isabs(f) and
                     os.path.dirname(f) == temp_location)
             shutil.rmtree(f, ignore_errors=1)
-        except:
+        except Exception:
             except_str = "{0[0]}: \"{0[1]}\"".format(sys.exc_info())
             print("Directory \"{0}\" not removed due to".format(f), except_str,
                   file=sys.stderr)