add changeset file for knope

Author: EricTheMagician

.changeset/fix_bad_code_generation.md

@@ -0,0 +1,13 @@
+---
+default: patch
+---
+
+# Fix bad code generation
+
+#1360 by @EricAtORS
+
+This fixes:
+- missing parenthesis in to_multipart
+ #1338 #1318
+- missing imports in the lazy eval in to_multipart:
+#931 and #1051