Apply suggestion to cal_tools/cal_tools/agipdlib.py

cal_tools/cal_tools/agipdlib.py

@@ -625,7 +625,6 @@ class AgipdCorrections:
             first = np.squeeze(infile[idx_base + "image/first"])
             nonzero_count = np.count_nonzero(count != 0)
             zero_count = count.shape[0] - nonzero_count
-            zero_indices = np.where(count == 0)[0]
             if nonzero_count == 0:
                 raise IOError("File has no valid counts")
             valid = count != 0