Fix bug: wrongly propagated inverted gradings

Author: FranzBangar

.vscode/settings.json

@@ -1,7 +1,7 @@
 {
     "[python]": {
         "editor.formatOnSave": true,
-        "editor.defaultFormatter": "ms-python.black-formatter",
+        "editor.defaultFormatter": "charliermarsh.ruff",
         "editor.wordBasedSuggestions": "off",
         "editor.codeActionsOnSave": {
             "source.organizeImports.isort": "explicit"

src/classy_blocks/grading/grading.py

@@ -115,7 +115,8 @@ def copy(self, length: float, invert: bool = False) -> "Grading":
         """Creates a new grading with the same chops (counts) on a different length,
         keeping chop.preserve quantity constant;
 
-        the 'length' parameter is the new wire's length"""
+        the 'length' parameter is the new wire's length;
+        'invert' does not set the grading.inverted flag but flips the original value"""
         new_grading = Grading(length)
 
         for data in self.chop_data:
@@ -132,6 +133,7 @@ def copy(self, length: float, invert: bool = False) -> "Grading":
 
             new_grading.add_chop(Chop(**new_args))
 
+        new_grading.inverted = self.inverted
         if invert:
             new_grading.inverted = not new_grading.inverted
 

src/classy_blocks/items/wires/wire.py

@@ -101,6 +101,7 @@ def copy_to_coincidents(self):
         for coincident in self.coincidents:
             if coincident.grading.is_defined:
                 continue
+
             coincident.grading = self.grading.copy(self.length, not coincident.is_aligned(self))
 
     def check_consistency(self) -> None: