Moved unneeded ImproperlyConfigured inner imports.

django/contrib/gis/utils/__init__.py

@@ -3,12 +3,12 @@
 """
 from django.contrib.gis.gdal import HAS_GDAL
 from django.contrib.gis.utils.wkt import precision_wkt  # NOQA
+from django.core.exceptions import ImproperlyConfigured
 
 if HAS_GDAL:
     from django.contrib.gis.utils.ogrinfo import ogrinfo  # NOQA
     from django.contrib.gis.utils.ogrinspect import mapping, ogrinspect  # NOQA
     from django.contrib.gis.utils.srs import add_srs_entry  # NOQA
-    from django.core.exceptions import ImproperlyConfigured
     try:
         # LayerMapping requires DJANGO_SETTINGS_MODULE to be set,
         # so this needs to be in try/except.

django/db/backends/mysql/base.py

@@ -12,6 +12,7 @@ import sys
 import warnings
 
 from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
 from django.db import utils
 from django.db.backends import utils as backend_utils
 from django.db.backends.base.base import BaseDatabaseWrapper
@@ -24,7 +25,6 @@ from django.utils.safestring import SafeBytes, SafeText
 try:
     import MySQLdb as Database
 except ImportError as e:
-    from django.core.exceptions import ImproperlyConfigured
     raise ImproperlyConfigured(
         'Error loading MySQLdb module: %s.\n'
         'Did you install mysqlclient or MySQL-python?' % e
@@ -48,7 +48,6 @@ from .validation import DatabaseValidation                  # isort:skip
 version = Database.version_info
 if (version < (1, 2, 1) or (
         version[:3] == (1, 2, 1) and (len(version) < 5 or version[3] != 'final' or version[4] < 2))):
-    from django.core.exceptions import ImproperlyConfigured
     raise ImproperlyConfigured("MySQLdb-1.2.1p2 or newer is required; you have %s" % Database.__version__)
 
 

django/db/backends/oracle/base.py

@@ -13,6 +13,7 @@ import sys
 import warnings
 
 from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
 from django.db import utils
 from django.db.backends.base.base import BaseDatabaseWrapper
 from django.utils import six, timezone
@@ -28,7 +29,6 @@ def _setup_environment(environ):
         try:
             import ctypes
         except ImportError as e:
-            from django.core.exceptions import ImproperlyConfigured
             raise ImproperlyConfigured("Error loading ctypes: %s; "
                                        "the Oracle backend requires ctypes to "
                                        "operate correctly under Cygwin." % e)
@@ -51,7 +51,6 @@ _setup_environment([
 try:
     import cx_Oracle as Database
 except ImportError as e:
-    from django.core.exceptions import ImproperlyConfigured
     raise ImproperlyConfigured("Error loading cx_Oracle module: %s" % e)
 
 # Some of these import cx_Oracle, so import them after checking if it's installed.

django/db/backends/sqlite3/base.py

@@ -14,6 +14,7 @@ import warnings
 import pytz
 
 from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
 from django.db import utils
 from django.db.backends import utils as backend_utils
 from django.db.backends.base.base import BaseDatabaseWrapper
@@ -31,7 +32,6 @@ try:
     except ImportError:
         from sqlite3 import dbapi2 as Database
 except ImportError as exc:
-    from django.core.exceptions import ImproperlyConfigured
     raise ImproperlyConfigured("Error loading either pysqlite2 or sqlite3 modules (tried in that order): %s" % exc)
 
 # Some of these import sqlite3, so import them after checking if it's installed.
@@ -167,7 +167,6 @@ class DatabaseWrapper(BaseDatabaseWrapper):
     def get_connection_params(self):
         settings_dict = self.settings_dict
         if not settings_dict['NAME']:
-            from django.core.exceptions import ImproperlyConfigured
             raise ImproperlyConfigured(
                 "settings.DATABASES is improperly configured. "
                 "Please supply the NAME value.")