Updated name from lstm_prediction.py_tf to lstm_prediction.py and also imported keras (#4422)

* Updated name from lstm_prediction.py_lf to lstm_prediction.py and also imported keras

* Edited the changes

* tensorflow 2.5 is has shipped!!!

* Update lstm_prediction.py

* Update lstm_prediction.py

* One blank line, not two?

Co-authored-by: Christian Clauss <[email protected]>

Author: Jenil-S

Diff for: machine_learning/lstm/lstm_prediction.py_tf renamed to machine_learning/lstm/lstm_prediction.py

@@ -6,9 +6,9 @@
 """
 import numpy as np
 import pandas as pd
-from keras.layers import LSTM, Dense
-from keras.models import Sequential
 from sklearn.preprocessing import MinMaxScaler
+from tensorflow.keras.layers import LSTM, Dense
+from tensorflow.keras.models import Sequential
 
 if __name__ == "__main__":
     """