Improve exception handling.

Author: kbkaiser

Lib/idlelib/idle

@@ -1,9 +1,9 @@
-#! /usr/bin/env python
+#!/usr/bin/python
 
 try:
     import idlelib.PyShell
     idlelib.PyShell.main()
-except:
+except ImportError:
     # IDLE is not installed, but maybe PyShell is on sys.path:
     import PyShell
     PyShell.main()

Lib/idlelib/idle.py

@@ -1,9 +1,9 @@
-#! /usr/bin/env python
+#!/usr/bin/python
 
 try:
     import idlelib.PyShell
     idlelib.PyShell.main()
-except:
+except ImportError:
     # IDLE is not installed, but maybe PyShell is on sys.path:
     import PyShell
     PyShell.main()

Lib/idlelib/idle.pyw

@@ -1,9 +1,9 @@
-#! /usr/bin/env python
+#!/usr/bin/python
 
 try:
     import idlelib.PyShell
     idlelib.PyShell.main()
-except:
+except ImportError:
     # IDLE is not installed, but maybe PyShell is on sys.path:
     import PyShell
     PyShell.main()