style: format python files with isort and double-quote-string-fixer

components/partition_table/gen_empty_partition.py

@@ -17,8 +17,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from __future__ import print_function, division
-from __future__ import unicode_literals
+from __future__ import division, print_function, unicode_literals
+
 import argparse
 import sys
 
@@ -28,7 +28,7 @@ quiet = False
 
 
 def generate_blanked_file(size, output_path):
-    output = b"\xFF" * size
+    output = b'\xFF' * size
     try:
         stdout_binary = sys.stdout.buffer  # Python 3
     except AttributeError: