# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1480285371 -3600
# Node ID cd7353a799382cc49f6d4d2f45e7af3c200b272b
# Parent  a8283e12c6b3be5e2e92a3426ed3a3f0eb530857
Removed various superfluous exception classes, also enhancing IndexError.

diff -r a8283e12c6b3 -r cd7353a79938 lib/__builtins__/__init__.py
--- a/lib/__builtins__/__init__.py	Sun Nov 27 23:21:35 2016 +0100
+++ b/lib/__builtins__/__init__.py	Sun Nov 27 23:22:51 2016 +0100
@@ -34,7 +34,6 @@
     EnvironmentError,
     FloatingPointError,
     FutureWarning,
-    GeneratorExit,
     ImportError,
     ImportWarning,
     IndentationError,
@@ -42,16 +41,13 @@
     IOError,
     KeyError,
     KeyboardInterrupt,
-    LookupError,
     NameError,
     NotImplementedError,
     OSError,
     OverflowError,
     PendingDeprecationWarning,
-    ReferenceError,
     RuntimeError,
     RuntimeWarning,
-    StandardError,
     StopIteration,
     SyntaxError,
     SyntaxWarning,
diff -r a8283e12c6b3 -r cd7353a79938 lib/__builtins__/exception/__init__.py
--- a/lib/__builtins__/exception/__init__.py	Sun Nov 27 23:21:35 2016 +0100
+++ b/lib/__builtins__/exception/__init__.py	Sun Nov 27 23:22:51 2016 +0100
@@ -24,13 +24,9 @@
     )
 
 from __builtins__.exception.base import (
-    GeneratorExit,
     IndexError,
     KeyError,
-    LookupError,
     NotImplementedError,
-    ReferenceError,
-    StandardError,
     StopIteration,
     ValueError
     )
diff -r a8283e12c6b3 -r cd7353a79938 lib/__builtins__/exception/base.py
--- a/lib/__builtins__/exception/base.py	Sun Nov 27 23:21:35 2016 +0100
+++ b/lib/__builtins__/exception/base.py	Sun Nov 27 23:22:51 2016 +0100
@@ -19,13 +19,15 @@
 this program.  If not, see <http://www.gnu.org/licenses/>.
 """
 
-class GeneratorExit(Exception): pass
-class IndexError(Exception): pass
+class IndexError(Exception):
+
+    "An error condition involving an index."
+
+    def __init__(self, index):
+        self.index = index
+
 class KeyError(Exception): pass
-class LookupError(Exception): pass
 class NotImplementedError(Exception): pass
-class ReferenceError(Exception): pass
-class StandardError(Exception): pass
 class StopIteration(Exception): pass
 class ValueError(Exception): pass