diff --git a/tools/generate_input_to_stdnames_update.py b/tools/generate_input_to_stdnames_update.py
index c32d41c5..0b2107df 100644
--- a/tools/generate_input_to_stdnames_update.py
+++ b/tools/generate_input_to_stdnames_update.py
@@ -1,60 +1,59 @@
 import argparse
-from collections import defaultdict
-from pathlib import Path
-from bs4 import BeautifulSoup
 import csv
 import re
+from collections import defaultdict
+from bs4 import BeautifulSoup
 
 
 def parse_csv(csv_filepath):
-  datamap = defaultdict(set)
-  pattern = re.compile("\w+")
-  print(f"Opening {csv_filepath}")
-  with open(csv_filepath) as csvfile:
-    csvdata = csv.reader(csvfile)
-    for row in csvdata:
-      inputname = row[0].split(" ")[0]
-      standardnameMatch = pattern.fullmatch(row[5].split(" ")[0])
-      if csvdata.line_num < 432 and standardnameMatch and inputname and "Skipping" not in row[5] and "CCPP" not in row[5]:
-        print(f"Adding {inputname} under {standardnameMatch.string}")
-        # if standardnameMatch.string in datamap:
-        #   raise Exception(f"Found duplicate standard name {standardnameMatch.string} on line {csvdata.line_num}")
-        datamap[standardnameMatch.string].add(inputname)
-  return datamap
+    datamap = defaultdict(set)
+    pattern = re.compile("\w+")
+    print(f"Opening {csv_filepath}")
+    with open(csv_filepath, encoding='ascii') as csvfile:
+        csvdata = csv.reader(csvfile)
+        for row in csvdata:
+            inputname = row[0].split(" ")[0]
+            standardname_match = pattern.fullmatch(row[5].split(" ")[0])
+            if csvdata.line_num < 432 and standardname_match and inputname and "Skipping" not in row[5] and "CCPP" not in row[5]:
+                print(f"Adding {inputname} under {standardname_match.string}")
+                # if standardname_match.string in datamap:
+                #   raise Exception(f"Found duplicate standard name {standardname_match.string} on line {csvdata.line_num}")
+                datamap[standardname_match.string].add(inputname)
+    return datamap
 
 
 
 def generate_stdname_xml(current_dict, output_filename):
-  xmltree = BeautifulSoup(features="xml")
-
-  entries = xmltree.new_tag("entries")
-  for k, v in current_dict.items():
-    entry = xmltree.new_tag("entry")
-    entry["stdname"] = k
-    names = xmltree.new_tag("ic_file_input_names")
-    for name in v:
-      namenode = xmltree.new_tag("ic_file_input_name")
-      namenode.string = name
-      names.append(namenode)
-    entry.append(names)
-    entries.append(entry)
-  xmltree.append(entries)
-  with open(output_filename, "w") as xmlout:
-    print(f"Creating new xml file : {output_filename}")
-    xmlout.write(xmltree.prettify())
+    xmltree = BeautifulSoup(features="xml")
+
+    entries = xmltree.new_tag("entries")
+    for k, v in current_dict.items():
+        entry = xmltree.new_tag("entry")
+        entry["stdname"] = k
+        names = xmltree.new_tag("ic_file_input_names")
+        for name in v:
+            namenode = xmltree.new_tag("ic_file_input_name")
+            namenode.string = name
+            names.append(namenode)
+        entry.append(names)
+        entries.append(entry)
+    xmltree.append(entries)
+    with open(output_filename, "w", encoding='ascii') as xmlout:
+        print(f"Creating new xml file : {output_filename}")
+        xmlout.write(xmltree.prettify())
 
 
 def main():
-  parser = argparse.ArgumentParser(description='')
-  parser.add_argument('--csv-file', type=str, default='CCPP Standard Names - Sheet1.csv', help='')
-  parser.add_argument('--current-map', type=str, default='stdnames_to_inputnames_dictionary.xml', help='')
-  parser.add_argument('--output-map', type=str, default='stdnames_to_inputnames_dictionary_new.xml', help='')
+    parser = argparse.ArgumentParser(description='')
+    parser.add_argument('--csv-file', type=str, default='CCPP Standard Names - Sheet1.csv', help='')
+    parser.add_argument('--current-map', type=str, default='stdnames_to_inputnames_dictionary.xml', help='')
+    parser.add_argument('--output-map', type=str, default='stdnames_to_inputnames_dictionary_new.xml', help='')
 
-  args = parser.parse_args()
+    args = parser.parse_args()
 
-  current_csv_entries = parse_csv(args.csv_file)
-  generate_stdname_xml(current_csv_entries, args.output_map)
+    current_csv_entries = parse_csv(args.csv_file)
+    generate_stdname_xml(current_csv_entries, args.output_map)
 
 
-if __name__=="__main__": 
+if __name__=="__main__":
     main()