[utils/filesystem] Convert `size` to float, for consistent behavior between Py2 and Py3.
@@ -192,6 +192,7 @@ def find_files(path, pattern):
def _friendly_size(size):
# type: (Union[float, int]) -> str
+ size = float(size) # for consistent behavior between Python 2 and Python 3.
suffix = 'B'
if size > 1000:
size /= 1000
