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BYU-PRISM · Apr 12, 2024 · e128555 · e128555
1 parent 333c143
commit e128555
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/gekko/gekko.py b/gekko/gekko.py
@@ -573,14 +573,14 @@ def arx(self,p,y=[],u=[]):
         #define arrays of states, outputs and inputs
         if isinstance(y,(GKVariable,GKParameter)):
             y = [y] # convert to list of size 1
-        if y==[]:
+        if not y:
             y = [self.Var() for i in np.arange(ny)]
         else:
             if len(y)!=ny:
                 raise Exception('arx input y must be an array of length '+str(ny))
         if isinstance(u,(GKVariable,GKParameter)):
             u = [u] # convert to list of size 1
-        if u==[]:
+        if not u:
             u = [self.Param() for i in np.arange(nu)]
         else:
             if len(u)!=nu: