update interface

app.py

@@ -38,7 +38,7 @@ def classify_comments():
 
 # Gradio Interface
 with gr.Blocks() as nps:
-    uploaded_file = gr.File(label="Upload CSV", type="file")
+    uploaded_file = gr.File(label="Upload CSV", type="filepath")
     template_btn = gr.Button("Use Template")
     gr.Markdown("# NPS Comment Categorization")
     classify_btn = gr.Button("Classify Comments")
@@ -50,7 +50,7 @@ with gr.Blocks() as nps:
             import io
             if file.name.endswith('.csv'):
                 file.seek(0)  # Reset file pointer
-                custom_df = pd.read_csv(file)
+                custom_df = pd.read_csv(file, encoding='utf-8')
                 custom_df = pd.read_csv(io.StringIO(content))
             else:
                 return "Error: Uploaded file is not a CSV."