Update app.py

app.py

@@ -39,7 +39,7 @@ class InterestCalculatorApp:
         predicted_answer = self.tokenizer.decode(outputs.logits.argmax(dim=-1))
         return predicted_answer
 
-    def main():
+    def main(self):
         st.title("Interest Calculation App")
         file_path = st.file_uploader("Upload Invoices File", type=["xlsx"])
         if file_path is not None:
@@ -57,4 +57,4 @@ class InterestCalculatorApp:
 
 if __name__ == "__main__":
     app = InterestCalculatorApp()
-    app.main()
+    app.main()  # Corrected call