Merged revisions 77727 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77727 | ezio.melotti | 2010-01-24 18:58:36 +0200 (Sun, 24 Jan 2010) | 1 line

  use assert[Not]IsInstance where appropriate
........
diff --git a/Lib/test/test_raise.py b/Lib/test/test_raise.py
index 033df3b..d120dc1 100644
--- a/Lib/test/test_raise.py
+++ b/Lib/test/test_raise.py
@@ -135,7 +135,7 @@
         try:
             raise IndexError from KeyError
         except IndexError as e:
-            self.assertTrue(isinstance(e.__cause__, KeyError))
+            self.assertIsInstance(e.__cause__, KeyError)
         else:
             self.fail("No exception raised")
 
@@ -166,7 +166,7 @@
         try:
             raise IndexError()
         except IndexError as e:
-            self.assertTrue(isinstance(e.__traceback__, types.TracebackType))
+            self.assertIsInstance(e.__traceback__, types.TracebackType)
         else:
             self.fail("No exception raised")
 
@@ -203,7 +203,7 @@
                 raise OSError()
         except OSError as e:
             self.assertNotEqual(e.__context__, context)
-            self.assertTrue(isinstance(e.__context__, context))
+            self.assertIsInstance(e.__context__, context)
         else:
             self.fail("No exception raised")
 
@@ -216,7 +216,7 @@
                 raise OSError
         except OSError as e:
             self.assertNotEqual(e.__context__, context)
-            self.assertTrue(isinstance(e.__context__, context))
+            self.assertIsInstance(e.__context__, context)
         else:
             self.fail("No exception raised")
 
@@ -227,7 +227,7 @@
             except:
                 raise OSError
         except OSError as e:
-            self.assertTrue(isinstance(e.__context__, ZeroDivisionError))
+            self.assertIsInstance(e.__context__, ZeroDivisionError)
         else:
             self.fail("No exception raised")
 
@@ -238,7 +238,7 @@
             except:
                 xyzzy
         except NameError as e:
-            self.assertTrue(isinstance(e.__context__, ZeroDivisionError))
+            self.assertIsInstance(e.__context__, ZeroDivisionError)
         else:
             self.fail("No exception raised")
 
@@ -260,7 +260,7 @@
             finally:
                 raise OSError
         except OSError as e:
-            self.assertTrue(isinstance(e.__context__, ZeroDivisionError))
+            self.assertIsInstance(e.__context__, ZeroDivisionError)
         else:
             self.fail("No exception raised")
 
@@ -274,7 +274,7 @@
             with ContextManager():
                 1/0
         except NameError as e:
-            self.assertTrue(isinstance(e.__context__, ZeroDivisionError))
+            self.assertIsInstance(e.__context__, ZeroDivisionError)
         else:
             self.fail("No exception raised")
 
@@ -320,7 +320,7 @@
                     del g
                     raise KeyError
             except Exception as e:
-                self.assertTrue(isinstance(e.__context__, ValueError))
+                self.assertIsInstance(e.__context__, ValueError)
 
         f()
 
@@ -344,7 +344,7 @@
                     raise TypeError
             except Exception as e:
                 self.assertNotEqual(e.__context__, None)
-                self.assertTrue(isinstance(e.__context__, AttributeError))
+                self.assertIsInstance(e.__context__, AttributeError)
 
         with support.captured_output("stderr"):
             f()