minor fixes

app.py

@@ -74,6 +74,7 @@ def process_uploaded_file(
             num_active_paths=num_active_paths,
         )
     except Exception as e:
+        logging.info(str(e))
         return "", build_html_output(str(e), "result_item_error")
 
 
@@ -102,6 +103,7 @@ def process_microphone(
             num_active_paths=num_active_paths,
         )
     except Exception as e:
+        logging.info(str(e))
         return "", build_html_output(str(e), "result_item_error")
 
 
@@ -157,7 +159,7 @@ def process(
     info = f"""
     Wave duration  : {duration: .3f} s <br/>
     Processing time: {end - start: .3f} s <br/>
-    RTF: {end - start: .3f}/{duration: .3f} = {(end - start)/duration:3.f} <br/>
+    RTF: {end - start: .3f}/{duration: .3f} = {(end - start)/duration:.3f} <br/>
     """
     logging.info(info)
     logging.info(f"hyp:\n{hyp}")
@@ -284,4 +286,4 @@ if __name__ == "__main__":
 
     logging.basicConfig(format=formatter, level=logging.INFO)
 
-    demo.launch(share=True)
+    demo.launch()