removes all lines consisting only of spaces

this really bothers me for some reason - nothing technical

InvenTree/stock/forms.py

@@ -118,7 +118,7 @@ class CreateStockItemForm(HelperForm):
     serial_numbers = forms.CharField(label=_('Serial Numbers'), required=False, help_text=_('Enter unique serial numbers (or leave blank)'))
 
     def __init__(self, *args, **kwargs):
-        
+
         self.field_prefix = {
             'serial_numbers': 'fa-hashtag',
             'link': 'fa-link',
@@ -147,17 +147,17 @@ class CreateStockItemForm(HelperForm):
     # Custom clean to prevent complex StockItem.clean() logic from running (yet)
     def full_clean(self):
         self._errors = ErrorDict()
-        
+
         if not self.is_bound:  # Stop further processing.
             return
-        
+
         self.cleaned_data = {}
 
         # If the form is permitted to be empty, and none of the form data has
         # changed from the initial data, short circuit any validation.
         if self.empty_permitted and not self.has_changed():
             return
-        
+
         # Don't run _post_clean() as this will run StockItem.clean()
         self._clean_fields()
         self._clean_form()
@@ -167,9 +167,9 @@ class SerializeStockForm(HelperForm):
     """ Form for serializing a StockItem. """
 
     destination = TreeNodeChoiceField(queryset=StockLocation.objects.all(), label=_('Destination'), required=True, help_text=_('Destination for serialized stock (by default, will remain in current location)'))
-    
+
     serial_numbers = forms.CharField(label=_('Serial numbers'), required=True, help_text=_('Unique serial numbers (must match quantity)'))
-    
+
     note = forms.CharField(label=_('Notes'), required=False, help_text=_('Add transaction note (optional)'))
 
     quantity = RoundingDecimalFormField(max_digits=10, decimal_places=5, label=_('Quantity'))
@@ -240,7 +240,7 @@ class TestReportFormatForm(HelperForm):
 
         super().__init__(*args, **kwargs)
         self.fields['template'].choices = self.get_template_choices()
-    
+
     def get_template_choices(self):
         """
         Generate a list of of TestReport options for the StockItem
@@ -337,7 +337,7 @@ class InstallStockForm(HelperForm):
             raise ValidationError({'quantity_to_install': _('Must not exceed available quantity')})
 
         return data
-        
+
 
 class UninstallStockForm(forms.ModelForm):
     """
@@ -373,11 +373,11 @@ class AdjustStockForm(forms.ModelForm):
     """
 
     destination = TreeNodeChoiceField(queryset=StockLocation.objects.all(), label=_('Destination'), required=True, help_text=_('Destination stock location'))
-    
+
     note = forms.CharField(label=_('Notes'), required=True, help_text=_('Add note (required)'))
-    
+
     # transaction = forms.BooleanField(required=False, initial=False, label='Create Transaction', help_text='Create a stock transaction for these parts')
-    
+
     confirm = forms.BooleanField(required=False, initial=False, label=_('Confirm stock adjustment'), help_text=_('Confirm movement of stock items'))
 
     set_loc = forms.BooleanField(required=False, initial=False, label=_('Set Default Location'), help_text=_('Set the destination as the default location for selected parts'))
@@ -396,7 +396,7 @@ class AdjustStockForm(forms.ModelForm):
 class EditStockItemForm(HelperForm):
     """ Form for editing a StockItem object.
     Note that not all fields can be edited here (even if they can be specified during creation.
-    
+
     location - Must be updated in a 'move' transaction
     quantity - Must be updated in a 'stocktake' transaction
     part - Cannot be edited after creation