Update app.py

app.py

@@ -15,7 +15,7 @@
 __author__ = 'Dmitry Ustalov'
 __license__ = 'Apache 2.0'
 
-import typing
+from typing import IO, Tuple
 
 import gradio as gr
 import numpy as np
@@ -27,11 +27,8 @@ from plotly.graph_objects import Figure
 
 def visualize(df_pairwise: pd.DataFrame) -> Figure:
     fig = px.imshow(df_pairwise, color_continuous_scale='RdBu', text_auto='.2f')
-
     fig.update_layout(xaxis_title='Loser', yaxis_title='Winner', xaxis_side='top')
-
     fig.update_traces(hovertemplate='Winner: %{y}<br>Loser: %{x}<br>Fraction of Wins: %{z}<extra></extra>')
-
     return fig
 
 
@@ -85,7 +82,7 @@ def aggregate(wins: npt.NDArray[np.int64], ties: npt.NDArray[np.int64],
     return pi
 
 
-def handler(file: typing.IO[bytes], seed: int) -> typing.Tuple[pd.DataFrame, Figure]:
+def handler(file: IO[bytes], seed: int) -> Tuple[pd.DataFrame, Figure]:
     if file is None:
         raise gr.Error('File must be uploaded')