Update app.py

app.py

@@ -5,7 +5,9 @@ from groq import Groq
 def excel_to_csv(fi):
     df = pd.read_excel(fi)
 
-    columns = df.columns
+    clm = []
+    for c in df.columns:
+        clm.append(c)
     
     df = df.to_csv(path_or_buf = "here2.csv")