diff --git a/_clean_tables.py b/_clean_tables.py
index 48417b0..ab7cfcb 100644
--- a/_clean_tables.py
+++ b/_clean_tables.py
@@ -1,24 +1,23 @@
-# Cleanup all table and PYC files to ensure no PLY stuff is cached
-#
-import fnmatch
-import os, shutil
-
-file_patterns = ('yacctab.*', 'lextab.*', '*.pyc')
-
-def do_cleanup(root):
-    for path, dirs, files in os.walk(root):
-        for file in files:
-            try:
-                for pattern in file_patterns:
-                    if fnmatch.fnmatch(file, pattern):
-                        fullpath = os.path.join(path, file)
-                        os.remove(fullpath)
-                        print 'Deleted', fullpath
-            except OSError:
-                pass
-
-if __name__ == "__main__":
-    do_cleanup('.')
-
-
-    
\ No newline at end of file
+# Cleanup all tables and PYC files to ensure no PLY stuff is cached
+from __future__ import print_function
+import fnmatch
+import os, shutil
+
+file_patterns = ('yacctab.*', 'lextab.*', '*.pyc', '__pycache__')
+
+
+def do_cleanup(root):
+    for path, dirs, files in os.walk(root):
+        for file in files:
+            try:
+                for pattern in file_patterns:
+                    if fnmatch.fnmatch(file, pattern):
+                        fullpath = os.path.join(path, file)
+                        os.remove(fullpath)
+                        print('Deleted', fullpath)
+            except OSError:
+                pass
+
+
+if __name__ == "__main__":
+    do_cleanup('.')