Fix torch.array_equal -> torch.equal in Add_Layer_From_Tube

Co-authored-by: jakep72 <jakep72@users.noreply.github.com>

Author: cursoragent

src/acoustipy/TMM.py

@@ -1210,7 +1210,7 @@ def Add_Layer_From_Tube(self,
             Zs_NG = self.Z0*((1+no_gap_data[:,1])/(1-no_gap_data[:,1]))
             Zs_G = self.Z0*((1+gap_data[:,1])/(1-gap_data[:,1]))
 
-        if torch.array_equal(no_gap_data[:,0],gap_data[:,0]) != True:
+        if not torch.equal(no_gap_data[:, 0], gap_data[:, 0]):
             raise ValueError("Frequencies must match between no gap and gap curves")
 
         T11A = torch.cos(self.k0*air_thickness)