[gobject-introspection] giscanner: remove unused variables and imports

[Dieter Verfaillie <dieterv src gnome org>]

commit 93ea709aa40f84e9c5677a7faab345a30072a968
Author: Dieter Verfaillie <dieterv optionexplicit be>
Date:   Fri Feb 15 07:06:18 2013 +0100

    giscanner: remove unused variables and imports
    
    https://bugzilla.gnome.org/show_bug.cgi?id=697615

 giscanner/docwriter.py       |    6 +++---
 giscanner/maintransformer.py |    4 +---
 giscanner/sectionparser.py   |    1 -
 3 files changed, 4 insertions(+), 7 deletions(-)
---
diff --git a/giscanner/docwriter.py b/giscanner/docwriter.py
index 7924b2d..b3716ec 100644
--- a/giscanner/docwriter.py
+++ b/giscanner/docwriter.py
@@ -219,7 +219,7 @@ class DocFormatter(object):
 
         try:
             prop = self._find_thing(type_node.properties, props['property_name'])
-        except (AttributeError, KeyError), e:
+        except (AttributeError, KeyError):
             return match
 
         return self.format_xref(prop)
@@ -231,7 +231,7 @@ class DocFormatter(object):
 
         try:
             signal = self._find_thing(type_node.signals, props['signal_name'])
-        except (AttributeError, KeyError), e:
+        except (AttributeError, KeyError):
             return match
 
         return self.format_xref(signal)
@@ -260,7 +260,7 @@ class DocFormatter(object):
     def _process_parameter(self, node, match, props):
         try:
             parameter = node.get_parameter(props['param_name'])
-        except (AttributeError, ValueError), e:
+        except (AttributeError, ValueError):
             return match
 
         return '<code>%s</code>' % (self.format_parameter_name(node, parameter), )
diff --git a/giscanner/maintransformer.py b/giscanner/maintransformer.py
index 049ba9b..8cfb80f 100644
--- a/giscanner/maintransformer.py
+++ b/giscanner/maintransformer.py
@@ -35,9 +35,7 @@ from .annotationparser import (OPT_ALLOW_NONE, OPT_ARRAY, OPT_ATTRIBUTE,
                                OPT_ARRAY_LENGTH, OPT_ARRAY_ZERO_TERMINATED,
                                OPT_CONSTRUCTOR, OPT_METHOD,
                                OPT_TRANSFER_NONE, OPT_TRANSFER_FLOATING)
-from .annotationparser import AnnotationParser
-from .transformer import TransformerException
-from .utils import to_underscores, to_underscores_noprefix
+from .utils import to_underscores_noprefix
 
 class MainTransformer(object):
 
diff --git a/giscanner/sectionparser.py b/giscanner/sectionparser.py
index caf6bf2..330471b 100644
--- a/giscanner/sectionparser.py
+++ b/giscanner/sectionparser.py
@@ -18,7 +18,6 @@
 #
 
 import re
-import sys
 
 class SectionFile(object):
     def __init__(self, sections):