remove Python 2.5 compatability

.travis.yml

@@ -1,6 +1,5 @@
 language: python
 python:
-  - "2.5"
   - "2.6"
   - "2.7"
   - "3.2"

jsonpatch.py

@@ -43,10 +43,7 @@ __license__ = 'Modified BSD License'
 import copy
 import sys
 
-if sys.version_info < (2, 6):
-    import simplejson as json
-else:
-    import json
+import json
 
 import jsonpointer
 
@@ -352,13 +349,8 @@ class RemoveOperation(PatchOperation):
         subobj, part = self.pointer.to_last(obj)
         try:
             del subobj[part]
-        except KeyError:
-            exc_info = sys.exc_info()
-            exc = JsonPatchConflict(str(exc_info[1]))
-            if sys.version_info >= (3, 0):
-                raise exc.with_traceback(exc_info[2])
-            else:
-                raise exc
+        except KeyError as ex:
+            raise JsonPatchConflict(str(ex))
 
 
 class AddOperation(PatchOperation):
@@ -439,13 +431,8 @@ class TestOperation(PatchOperation):
             else:
                 val = self.pointer.walk(subobj, part)
 
-        except JsonPointerException:
-            exc_info = sys.exc_info()
-            exc = JsonPatchTestFailed(str(exc_info[1]))
-            if sys.version_info >= (3, 0):
-                raise exc.with_traceback(exc_info[2])
-            else:
-                raise exc
+        except JsonPointerException as ex:
+            raise JsonPatchTestFailed(str(ex))
 
         if 'value' in self.operation:
             value = self.operation['value']

requirements.txt

@@ -1,2 +1 @@
-simplejson #required for Python 2.5 compatability
 jsonpointer>=0.5