old_contents: #!/usr/bin/env python3
  
  import yaml
  
  
  with open("morphgnt_lexicon.yaml") as f:
      lexicon1 = yaml.load(f)
  
  with open("lxx_lexicon.yaml") as f:
      lexicon2 = yaml.load(f)
  
  in_both = set()
  in_1_only = set()
  in_2_only = set()
  
  for key in lexicon1:
      if key in lexicon2:
          in_both.add(key)
      else:
          in_1_only.add(key)
  
  for key in lexicon2:
      if key in lexicon1:
          assert key in in_both
      else:
          in_2_only.add(key)
  
  print("both", len(in_both))
  print("1 only", len(in_1_only))
  print("2 only", len(in_2_only))
  
  match = 0
  mismatch = 0
  none_1 = 0
  none_2 = 0
  
  for key in in_both:
  
      for part in ["1-", "1+", "2-", "3-", "3+", "4-", "4+", "5-", "5+", "6-", "6+", "7-", "8-"]:
          value1 = lexicon1[key].get("stems", {}).get(part)
          value2 = lexicon2[key].get("stems", {}).get(part)
  
          if value1 != value2:
              if value1 is None:
                  none_1 += 1
              elif value2 is None:
                  none_2 += 1
              else:
                  mismatch += 1
                  print(key, part, value1, value2)
          else:
              match += 1
  
  print(
      match, "match;",
      none_1, "none1;",
      none_2, "none2;",
      mismatch, "mismatch"
  )
  
new_contents: #!/usr/bin/env python3
  
  import yaml
  
  
  with open("morphgnt_lexicon.yaml") as f:
      lexicon1 = yaml.load(f)
  
  with open("lxx_lexicon.yaml") as f:
      lexicon2 = yaml.load(f)
  
  in_both = set()
  in_1_only = set()
  in_2_only = set()
  
  for key in lexicon1:
      if key in lexicon2:
          in_both.add(key)
      else:
          in_1_only.add(key)
  
  for key in lexicon2:
      if key in lexicon1:
          assert key in in_both
      else:
          in_2_only.add(key)
  
  print("both", len(in_both))
  print("1 only", len(in_1_only))
  print("2 only", len(in_2_only))
  
  PARTS = [
      "1-", "1+", "2-", "3-", "3+",
      "4-", "4+", "5-", "5+",
      "6-", "6+", "7-", "8-",
  ]
  
  match = 0
  mismatch = 0
  none_1 = 0
  none_2 = 0
  
  for key in in_both:
      for part in PARTS:
          value1 = lexicon1[key].get("stems", {}).get(part)
          value2 = lexicon2[key].get("stems", {}).get(part)
  
          if value1 != value2:
              if value1 is None:
                  none_1 += 1
              elif value2 is None:
                  none_2 += 1
              else:
                  mismatch += 1
                  print(key, part, value1, value2)
          else:
              match += 1
  
  print(
      match, "match;",
      none_1, "none1;",
      none_2, "none2;",
      mismatch, "mismatch"
  )
  
subject: fix flake8 violation