Fixing flake8 errors

Author: eric-czech

python/flowdec/fft_pad_rainbow.py

@@ -247,8 +247,8 @@ def _build_tf_graph(self):
 
         with tf.control_dependencies([assert_pad_mode, assert_start_mode, assert_shapes]):
 
-            # If configured to do so, expand dimensions of data array to power of 2 or 
-            # prime factor multiples (after adding a minimum padding as well, if given) 
+            # If configured to do so, expand dimensions of data array to power of 2 or
+            # prime factor multiples (after adding a minimum padding as well, if given)
             # to avoid use of Bluestein algorithm in favor of significantly faster Cooley-Tukey FFT
             pad_shape = tf.shape(datah) + padminh
             datat = tf.cond(tf.equal(padmodh, OPM_2357),

python/flowdec/restoration.py

@@ -2,9 +2,8 @@
 from flowdec import data as fd_data
 from flowdec import restoration as fd_restoration
 from flowdec import exec as fd_exec
-from flowdec.fft_utils_tf import OPTIMAL_PAD_MODES
+from flowdec.fft_utils_tf import OPTIMAL_PAD_MODES, OPM_LOG2
 from skimage.transform import resize
-from skimage.exposure import rescale_intensity
 from scipy.ndimage.interpolation import shift as scipy_shift
 from skimage.measure import compare_ssim
 from scipy.signal import fftconvolve