Update app.py

app.py

@@ -18,7 +18,7 @@ def compute(lang):
     report = f"## Summary:\n\n The '{lang}' language has {len(lang_to_ext[lang])} extensions: {', '.join(lang_to_ext[lang])}.\n\n"
     df_lang = df[df["language"]==lang]
 
-    for i, (ext, example) in enumerate(zip(df["extension"], df["content"])):
+    for i, (ext, example) in enumerate(zip(df_lang["extension"], df_lang["content"])):
         example_string = f"Example {i+1} (ext={ext}):\n\n ```\n{example}\n```\n\n"
         report += example_string