Update src/sage/rings/function_field/drinfeld_modules/finite_drinfeld_module.py

xcaruso · kryzar · web-flow · commit 3d6f7e606184 · 2023-07-06T14:16:21.000+02:00
Co-authored-by: Antoine Leudière &lt;clapped.hesitancy332@anonaddy.me&gt;
diff --git a/src/sage/rings/function_field/drinfeld_modules/finite_drinfeld_module.py b/src/sage/rings/function_field/drinfeld_modules/finite_drinfeld_module.py
@@ -455,6 +455,7 @@ def invert(self, ore_pol):
         else:
             raise TypeError('input must be an Ore polynomial')
 
+        # Trivial cases
         if deg <= 0:
             return K(ore_pol[0]).in_base()
         if deg % r != 0:
