call Filter classmethod on cls

ISISNeutronMuon · Feb 17, 2025 · 527455b · 527455b
1 parent bf2caf3
commit 527455b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/MDANSE/Src/MDANSE/Mathematics/Signal.py b/MDANSE/Src/MDANSE/Mathematics/Signal.py
@@ -553,7 +553,7 @@ def rational_polynomial_string(
         """
         if analog:
             # Analogue (Laplace-domain) transfer function
-            numerator_str = Filter.polynomial_string(numerator, cls.S)
+            numerator_str = cls.polynomial_string(numerator, cls.S)
             denominator_str = Filter.polynomial_string(denominator, cls.S)
             return {
                 "unit": "S",