add logging utils

app.py

@@ -78,8 +78,20 @@ def _populate_components(show_common_langs):
 
     if show_common_langs:
         common_langs = get_common_langs()
+        logger.info(f"Common langs: {common_langs}")
         results = results[results["Language"].isin(common_langs)]
 
+    missing_langs = (
+        results[results.isna().any(axis=1)]
+        .groupby("Model")["Language"]
+        .apply(list)
+        .to_dict()
+    )
+    for model, langs in missing_langs.items():
+        logger.info(
+            f"Model {model} is missing results for languages: {', '.join(langs)}"
+        )
+
     models_with_nan = results[results.isna().any(axis=1)]["Model"].unique().tolist()
     logger.info(f"Models with NaN values: {models_with_nan}")
     results = results[~results["Model"].isin(models_with_nan)]