Update app.py

app.py

@@ -16,7 +16,7 @@ from tensorflow.keras import layers, callbacks
 from tensorflow.keras.utils import to_categorical
 from keras.models import Sequential
 from keras.layers import Dense
-import mimetype
+import mimetypes
 import tensorflow
 import matplotlib.pyplot as plt
 from sklearn.model_selection import train_test_split, GridSearchCV, cross_val_score, learning_curve