diff --git a/Lib/doctest.py b/Lib/doctest.py
index 3d053d9bfdf..b95566f6c68 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -821,7 +821,8 @@ def find(self, obj, name=None, module=None, globs=None, extraglobs=None):
                 # (see __patched_linecache_getlines).
                 file = inspect.getfile(obj)
                 if not file[0]+file[-2:] == '<]>': file = None
-            if file is None: source_lines = None
+            if file is None:
+                source_lines = None
             else:
                 if module is not None:
                     # Supply the module globals in case the module was
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index a92cc8e1359..c7d377859d2 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -1806,7 +1806,8 @@ PyCurses_EraseChar(PyObject *self)
 static PyObject *
 PyCurses_getsyx(PyObject *self)
 {
-  int x,y;
+  int x = 0;
+  int y = 0;
 
   PyCursesInitialised
 
diff --git a/Modules/main.c b/Modules/main.c
index 8352e667222..22794dafb9b 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -131,9 +131,9 @@ usage(int exitcode, wchar_t* program)
 	if (exitcode)
 		fprintf(f, "Try `python -h' for more information.\n");
 	else {
-		fprintf(f, usage_1);
-		fprintf(f, usage_2);
-		fprintf(f, usage_3);
+		fputs(usage_1, f);
+		fputs(usage_2, f);
+		fputs(usage_3, f);
 		fprintf(f, usage_4, DELIM);
 		fprintf(f, usage_5, DELIM, PYTHONHOMEHELP);
 	}
diff --git a/Parser/asdl.py b/Parser/asdl.py
index 28a71387978..ca91b6e2a0a 100644
--- a/Parser/asdl.py
+++ b/Parser/asdl.py
@@ -323,8 +323,8 @@ def visit(self, object, *args):
         try:
             meth(object, *args)
         except Exception:
-            output("Error visiting", repr(object))
-            output(sys.exc_info()[1])
+            output("Error visiting" + repr(object))
+            output(str(sys.exc_info()[1]))
             traceback.print_exc()
             # XXX hack
             if hasattr(self, 'file'):