# Convert TimeDelta column (5 days etc.) into an integer column (5)
import numpy as np
df.timeDelta = (df.timeDelta / np.timedelta64(1,'D')).astype(int)
# Convert TimeDelta column (5 days etc.) into an integer column (5)
import numpy as np
df['timeDelta'] = (df['timeDelta'] / np.timedelta64(1,'D')).astype(int)