Fix rtoc bug

Author: janden

tests/_basis_util.py

@@ -113,7 +113,7 @@ def testEvaluateExpand(self):
 
         logger.info(f"coef2.shape: {coef2.shape}")
 
-        coef2 = coef2[:, 0]
+        coef2 = coef2[0]
 
         logger.info("max error: " + str(np.max(np.abs(coef1 - coef2))))
         ind = np.argmax(np.abs(coef1 - coef2))