diff --git a/vimtabdiff.py b/vimtabdiff.py
index 64b81d6..dc07043 100755
--- a/vimtabdiff.py
+++ b/vimtabdiff.py
@@ -3,8 +3,8 @@
 import os,sys
 import argparse
 import pathlib
-from pathlib import Path
 import itertools
+from pathlib import Path
 
 def parse_args():
     parser = argparse.ArgumentParser(description="Show diff in vim tab pages")
@@ -23,21 +23,18 @@ def get_dir_info(dirname: Path):
             files.append(p)
     return dirs, files
 
-def get_chunks(aItems, bItems):
+def get_pairs(aItems, bItems):
     aItems = [(item, 'A') for item in aItems]
     bItems = [(item, 'B') for item in bItems]
     items = sorted(aItems + bItems)
-    for name, items in itertools.groupby(items, lambda item: item[0].name):
+    for _, items in itertools.groupby(items, lambda item: item[0].name):
         items = list(items)
         if len(items) == 2:
-            aItem, bItem = items
-            aItem, _ = aItem
-            bItem, _ = bItem
+            (aItem, _), (bItem, _) = items
             yield aItem, bItem
         else:
             assert(len(items) == 1)
-            item, = items
-            item, tag = item
+            (item, tag), = items
             if tag == 'A':
                 yield item, None
             else:
@@ -46,19 +43,16 @@ def get_chunks(aItems, bItems):
 def get_file_pairs(a, b):
     aDirs, aFiles = get_dir_info(Path(a))
     bDirs, bFiles = get_dir_info(Path(b))
-    print(f"{a=}, {aDirs=}, {aFiles=}, {b=}, {bDirs=}, {bFiles=}")
-    yield from get_chunks(aFiles, bFiles)
-    for aDir, bDir in get_chunks(aDirs, bDirs):
+    yield from get_pairs(aFiles, bFiles)
+    for aDir, bDir in get_pairs(aDirs, bDirs):
         yield from get_file_pairs(aDir, bDir)
 
 def main():
-    dirs, files = get_dir_info(Path('.'))
-    print(f"{dirs=} {files=}")
     args = parse_args()
     print("Helloworld")
-    print(f"{args.pathA=} {args.pathB=}")
     for a, b in get_file_pairs(args.pathA, args.pathB):
         print(f"{a=}, {b=}")
 
 if __name__ == '__main__':
     main()
+