diff --git a/errors_map_gen.py b/errors_map_gen.py
index 47f05c6..a7fac0d 100755
--- a/errors_map_gen.py
+++ b/errors_map_gen.py
@@ -1,31 +1,36 @@
 #!/usr/bin/env python3
 
+import argparse
 import os
+
 import yaml
 from mako.template import Template
-import argparse
+
 
 def main():
     parser = argparse.ArgumentParser(
-        description="OpenPOWER error map code generator")
+        description="OpenPOWER error map code generator"
+    )
 
     parser.add_argument(
-        '-i', '--errors_map_yaml', dest='errors_map_yaml',
-        default='errors_watch.yaml', help='input errors watch yaml file to parse')
+        "-i",
+        "--errors_map_yaml",
+        dest="errors_map_yaml",
+        default="errors_watch.yaml",
+        help="input errors watch yaml file to parse",
+    )
     args = parser.parse_args()
 
-    with open(os.path.join(script_dir, args.errors_map_yaml), 'r') as fd:
+    with open(os.path.join(script_dir, args.errors_map_yaml), "r") as fd:
         yamlDict = yaml.safe_load(fd)
 
         # Render the mako template
-        template = os.path.join(script_dir, 'errors_map.mako.hpp')
+        template = os.path.join(script_dir, "errors_map.mako.hpp")
         t = Template(filename=template)
-        with open('errors_map.hpp', 'w') as fd:
-            fd.write(
-                t.render(
-                    errDict=yamlDict))
+        with open("errors_map.hpp", "w") as fd:
+            fd.write(t.render(errDict=yamlDict))
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     script_dir = os.path.dirname(os.path.realpath(__file__))
     main()