grass.pygrass: Fixed E402 in vector/ (OSGeo#4715)

.flake8

@@ -46,7 +46,6 @@ per-file-ignores =
     # C wrappers call libgis.G_gisinit before importing other modules.
     # TODO: Is this really needed?
     python/grass/pygrass/vector/__init__.py: E402
-    python/grass/pygrass/vector/__init__.py: E402
     python/grass/temporal/datetime_math.py: E722
     python/grass/temporal/spatial_topology_dataset_connector.py: E722
     python/grass/temporal/temporal_algebra.py: E722

python/grass/pygrass/vector/__init__.py

@@ -1,22 +1,26 @@
 from os.path import join, exists
 import grass.lib.gis as libgis
+import ctypes
+
 
+# flake8: noqa: E402
 libgis.G_gisinit("")
 
 import grass.lib.vector as libvect
-import ctypes
-
-# import pygrass modules
 from grass.pygrass.vector.vector_type import VTYPE
 from grass.pygrass.errors import GrassError, must_be_open
 from grass.pygrass.gis import Location
-
-from grass.pygrass.vector.geometry import GEOOBJ as _GEOOBJ
-from grass.pygrass.vector.geometry import read_line, read_next_line
-from grass.pygrass.vector.geometry import Area as _Area
+from grass.pygrass.vector.geometry import (
+    GEOOBJ as _GEOOBJ,
+    read_line,
+    read_next_line,
+    Area as _Area,
+)
 from grass.pygrass.vector.abstract import Info
 from grass.pygrass.vector.basic import Bbox, Cats, Ilist
 
+# flake8: qa
+
 
 _NUMOF = {
     "areas": libvect.Vect_get_num_areas,