...

kitty/conf/generate.py

@@ -650,7 +650,10 @@ def gen_go_code(defn: Definition) -> str:
         a(f'default: return ans, fmt.Errorf("%#v is not a valid value for %s. Valid values are: %s", val, "{c}", "{vals}")')
         a('}''}')
 
+    has_parsers = bool(go_parsers or keyboard_shortcuts)
     a('func (c *Config) Parse(key, val string) (err error) {')
+    if has_parsers:
+        if go_parsers:
             a('switch key {')
             a('default: return fmt.Errorf("Unknown configuration key: %#v", key)')
             for oname, pname in go_parsers.items():
@@ -674,6 +677,9 @@ def gen_go_code(defn: Definition) -> str:
             a('c.KeyboardShortcuts = append(c.KeyboardShortcuts, tempsc)')
         a('}')
         a('return}')
+    else:
+        a('return fmt.Errorf("Unknown configuration key: %#v", key)')
+        a('}')
     return '\n'.join(lines)