Fixed #14402 -- Removed clearing of help_text for ManyToManyField's raw_id_fields.

django/contrib/admin/options.py

@@ -242,7 +242,6 @@ class BaseModelAdmin(six.with_metaclass(forms.MediaDefiningClass)):
         if db_field.name in self.raw_id_fields:
             kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.remote_field,
                                     self.admin_site, using=db)
-            kwargs['help_text'] = ''
         elif db_field.name in (list(self.filter_vertical) + list(self.filter_horizontal)):
             kwargs['widget'] = widgets.FilteredSelectMultiple(
                 db_field.verbose_name,

tests/admin_widgets/models.py

@@ -68,7 +68,12 @@ class Event(models.Model):
         limit_choices_to=models.Q(pk__gt=0),
         related_name='events_main_band_at',
     )
-    supporting_bands = models.ManyToManyField(Band, blank=True, related_name='events_supporting_band_at')
+    supporting_bands = models.ManyToManyField(
+        Band,
+        blank=True,
+        related_name='events_supporting_band_at',
+        help_text='Supporting Bands.',
+    )
     start_date = models.DateField(blank=True, null=True)
     start_time = models.TimeField(blank=True, null=True)
     description = models.TextField(blank=True)

tests/admin_widgets/tests.py

@@ -1255,6 +1255,12 @@ class AdminRawIdWidgetSeleniumFirefoxTests(SeleniumDataMixin, AdminSeleniumWebDr
             self.selenium.find_element_by_id('id_supporting_bands').get_attribute('value'),
             '')
 
+        # Help text for the field is displayed
+        self.assertEqual(
+            self.selenium.find_element_by_css_selector('.field-supporting_bands p.help').text,
+            'Supporting Bands.'
+        )
+
         # Open the popup window and click on a band
         self.selenium.find_element_by_id('lookup_id_supporting_bands').click()
         self.wait_for_popup()