Mage: Minor code style refactoring.

src/Solver/Mage.py

@@ -442,14 +442,9 @@ class Mage(CommandLineSolver):
 
         sin_dict = {
             "ND": "*",
-            "S1": "D",
-            "S2": "T",
-            "S3": "T",
-            "OR": "O",
-            "OC": "B",
-            "OV": "F",
-            "V1": "V",
-            "V2": "W",
+            "S1": "D", "S2": "T", "S3": "T",
+            "OR": "O", "OC": "B", "OV": "F",
+            "V1": "V", "V2": "W",
             "BO": "A",
             "UD": "X",
             "PO": "P",
@@ -466,7 +461,9 @@ class Mage(CommandLineSolver):
             files.append(f"{name}.SIN")
 
             for hs in hydraulic_structures:
-                if hs.input_reach.is_enable:
+                if not hs.input_reach.is_enable():
+                    continue
+
                 f.write(
                     '* ouvrage au pk ' +
                     f"{hs.input_kp:>12.1f}" + ' ' +