Update case_validator.py

adjusting indentation so the code does not crash

Author: JRChreim

toolchain/mfc/case_validator.py

@@ -330,13 +330,11 @@ def check_phase_change(self):
         if not relax:
             return
 
-self.prohibit(
-    model_eqns is not None and (
-        (model_eqns == 2 and relax_model not in (5, 6)) or
-        (model_eqns == 3 and relax_model not in (1, 4, 5, 6))
-    ),
-    "phase change requires model_eqns==2 with relax_model in [5,6] or model_eqns==3 with relax_model in [1,4,5,6]"
-)
+        self.prohibit(
+            model_eqns is not None and (
+                (model_eqns == 2 and relax_model not in (5, 6)) or
+                (model_eqns == 3 and relax_model not in (1, 4, 5, 6))),
+            "phase change requires model_eqns==2 with relax_model in [5,6] or model_eqns==3 with relax_model in [1,4,5,6]")
         self.prohibit(palpha_eps is not None and palpha_eps <= 0,
                      "palpha_eps must be positive")
         self.prohibit(palpha_eps is not None and palpha_eps >= 1,