Small change to printing of df lengths

utils.py

@@ -73,10 +73,8 @@ def fetch_hf_results():
     # Compare to previous dataframe
     if os.path.exists("debug-current-results.csv"):
         old_df = pd.read_csv("debug-current-results.csv")
-    else:
-        old_df = df
-    if len(df) != len(old_df):
-        print(f"New results: Length {len(old_df)} -> {len(df)} ({get_time()})")
+        if len(df) != len(old_df):
+            print(f"New results: Length {len(old_df)} -> {len(df)} ({get_time()})")
     
     df.to_csv("debug-current-results.csv", index=False)