added file handling

app.py

@@ -38,11 +38,17 @@ summarizer_option = st.selectbox(
     "Select Summarizer",
     ("Custom trained on the dataset", "t5-base", "t5-one-line-summary"),
 )
+
+print(uploaded_file.name)
+
 ps = st.empty()
 if st.button("Process"):
     if uploaded_file is not None:
+        if uploaded_file.name.split(".")[-1] in ["xls", "xlsx"]:
 
-        df = pd.read_excel(uploaded_file, engine="openpyxl")
+            df = pd.read_excel(uploaded_file, engine="openpyxl")
+        if uploaded_file.name.split(".")[-1] in [".csv"]:
+            df = pd.read_csv(uploaded_file)
         columns = df.columns.values.tolist()
         columns = [x.lower() for x in columns]
         df.columns = columns