diff --git a/condense_policy.py b/condense_policy.py
index 4614781..70c2c98 100755
--- a/condense_policy.py
+++ b/condense_policy.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-'''Condenses the error policy table down to only the fields used by
+"""Condenses the error policy table down to only the fields used by
    the BMC Code.
 
 This script pulls the following 4 fields out of the full JSON policy
@@ -35,83 +35,91 @@
       ],
       "err":"xyz.openbmc_project.Thermal.Error.PowerSupplyHot"
     }
-'''
+"""
 
 import argparse
-import sys
 import json
 
 
 def add_details(error, details, condensed):
-    '''Adds a details entry to an error'''
+    """Adds a details entry to an error"""
 
     found = False
     for errors in condensed:
-        if errors['err'] == error:
-            errors['dtls'].append(details)
+        if errors["err"] == error:
+            errors["dtls"].append(details)
             found = True
             break
 
     if not found:
         group = {}
-        group['err'] = error
-        group['dtls'] = []
-        group['dtls'].append(details)
+        group["err"] = error
+        group["dtls"] = []
+        group["dtls"].append(details)
         condensed.append(group)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Error log policy condenser")
 
-    parser = argparse.ArgumentParser(description='Error log policy condenser')
-
-    parser.add_argument('-p', '--policy',
-                        dest='policy_file',
-                        default='policyTable.json',
-                        help='Policy Table in JSON')
-    parser.add_argument('-c', '--condensed_policy',
-                        dest='condensed_file',
-                        default='condensed.json',
-                        help='Condensed policy output file in JSON')
-    parser.add_argument('-t', '--prettify_json',
-                        dest='prettify',
-                        default=False,
-                        action='store_true',
-                        help='Prettify the output JSON')
+    parser.add_argument(
+        "-p",
+        "--policy",
+        dest="policy_file",
+        default="policyTable.json",
+        help="Policy Table in JSON",
+    )
+    parser.add_argument(
+        "-c",
+        "--condensed_policy",
+        dest="condensed_file",
+        default="condensed.json",
+        help="Condensed policy output file in JSON",
+    )
+    parser.add_argument(
+        "-t",
+        "--prettify_json",
+        dest="prettify",
+        default=False,
+        action="store_true",
+        help="Prettify the output JSON",
+    )
 
     args = parser.parse_args()
 
-    with open(args.policy_file, 'r') as table:
+    with open(args.policy_file, "r") as table:
         contents = json.load(table)
-        policytable = contents['events']
+        policytable = contents["events"]
 
     condensed = []
 
     for name in policytable:
         details = {}
 
-        #Parse the error||modifer line. The modifier is optional.
-        separatorPos = name.find('||')
+        # Parse the error||modifer line. The modifier is optional.
+        separatorPos = name.find("||")
         if separatorPos != -1:
             error = name[0:separatorPos]
             modifier = name[separatorPos + 2:]
-            details['mod'] = modifier
+            details["mod"] = modifier
         else:
             error = name
-            details['mod'] = ''
+            details["mod"] = ""
 
-        #The table has some nonBMC errors - they have spaces - skip them
-        if ' ' in error:
+        # The table has some nonBMC errors - they have spaces - skip them
+        if " " in error:
             print("Skipping error %s because of spaces" % error)
             continue
 
-        details['msg'] = policytable[name]['Message']
-        details['CEID'] = policytable[name]['CommonEventID']
+        details["msg"] = policytable[name]["Message"]
+        details["CEID"] = policytable[name]["CommonEventID"]
 
         add_details(error, details, condensed)
 
-    #if prettified there will be newlines
+    # if prettified there will be newlines
     indent_value = 2 if args.prettify else None
 
-    with open(args.condensed_file, 'w') as outfile:
-        json.dump(condensed, outfile, separators=(',', ':'),
-                  indent=indent_value)
+    with open(args.condensed_file, "w") as outfile:
+        json.dump(
+            condensed, outfile, separators=(",", ":"), indent=indent_value
+        )