[lint] Fix whitespace error in test_api.py:97

Resolved linting issue: E202 whitespace before '}' in ./openwisp_controller/geo/tests/test_api.py at line 97. Ensured code adheres to PEP 8 standards for better readability and consistency.

openwisp_controller/geo/tests/test_api.py

@@ -94,7 +94,7 @@ def test_put_create_location(self):
         device = self._create_object()
         self.assertEqual(self.location_model.objects.count(), 0)
         url = reverse(self.url_name, args=[device.pk])
-        r = self.client.put(f'{url}?key={device.key }')
+        r = self.client.put(f'{url}?key={device.key}')
         self.assertEqual(r.status_code, 200)
         self.assertDictEqual(
             r.json(),