_update_command: simple fix for handling 'DeleteCommand'

Author: elifarley

pyproject.toml

@@ -22,7 +22,7 @@ classifiers = [
 ]
 keywords = ["cedarscript", "code-editing", "refactoring", "code-analysis", "sql-like", "ai-assisted-development"]
 dependencies = [
-    "cedarscript-ast-parser>=0.2.8",
+    "cedarscript-ast-parser>=0.2.9",
     "grep-ast==0.3.3",
     "tree-sitter-languages==1.10.2",
 ]

src/cedarscript_editor/cedarscript_editor.py

@@ -196,6 +196,8 @@ def _update_command(self, cmd: UpdateCommand):
                         content = IndentationInfo.from_content(content).shift_indentation(
                             content, shift_count
                         )
+                    case DeleteClause():
+                        pass
                     case _:
                         raise ValueError(f'Invalid content: {content}')