Correct the super using

Author: Zeroto521

src/pyscipopt/matrix.pxi

@@ -17,20 +17,6 @@ def _is_number(e):
         return False
 
 
-def _matrixexpr_richcmp(self, other, op):
-    if not (_is_number(other) or isinstance(other, (Expr, MatrixExpr, np.ndarray))):
-        raise TypeError(f"Unsupported type {type(other)}")
-
-    if op == 1: # <=
-        return super(self).__le__(other).view(MatrixExprCons)
-    elif op == 5: # >=
-        return super(self).__ge__(other).view(MatrixExprCons)
-    elif op == 2: # ==
-        return super(self).__eq__(other).view(MatrixExprCons)
-    else:
-        raise NotImplementedError("Can only support constraints with '<=', '>=', or '=='.")
-
-
 class MatrixExpr(np.ndarray):
     def sum(self, **kwargs):
         """
@@ -41,13 +27,22 @@ class MatrixExpr(np.ndarray):
         return res if res.size > 1 else res.item()
 
     def __le__(self, other: Union[float, int, Expr, np.ndarray, 'MatrixExpr']) -> MatrixExprCons:
-        return _matrixexpr_richcmp(self, other, 1)
+        if not _is_number(other) or not isinstance(other, (Expr, MatrixExpr, np.ndarray)):
+            raise TypeError(f"Unsupported type {type(other)}")
+
+        return super().__le__(other).view(MatrixExprCons)
 
     def __ge__(self, other: Union[float, int, Expr, np.ndarray, 'MatrixExpr']) -> MatrixExprCons:
-        return _matrixexpr_richcmp(self, other, 5)
+        if not _is_number(other) or not isinstance(other, (Expr, MatrixExpr, np.ndarray)):
+            raise TypeError(f"Unsupported type {type(other)}")
+
+        return super().__ge__(other).view(MatrixExprCons)
 
     def __eq__(self, other: Union[float, int, Expr, np.ndarray, 'MatrixExpr']) -> MatrixExprCons:
-        return _matrixexpr_richcmp(self, other, 2)
+        if not _is_number(other) or not isinstance(other, (Expr, MatrixExpr, np.ndarray)):
+            raise TypeError(f"Unsupported type {type(other)}")
+
+        return super().__eq__(other).view(MatrixExprCons)
 
     def __add__(self, other):
         return super().__add__(other).view(MatrixExpr)
@@ -85,10 +80,16 @@ class MatrixGenExpr(MatrixExpr):
 class MatrixExprCons(np.ndarray):
 
     def __le__(self, other: Union[float, int, np.ndarray]) -> MatrixExprCons:
-        return _matrixexpr_richcmp(self, other, 1)
+        if not _is_number(other) or not isinstance(other, (Expr, MatrixExpr, np.ndarray)):
+            raise TypeError(f"Unsupported type {type(other)}")
+
+        return super().__le__(other).view(MatrixExprCons)
 
     def __ge__(self, other: Union[float, int, np.ndarray]) -> MatrixExprCons:
-        return _matrixexpr_richcmp(self, other, 5)
+        if not _is_number(other) or not isinstance(other, (Expr, MatrixExpr, np.ndarray)):
+            raise TypeError(f"Unsupported type {type(other)}")
+
+        return super().__ge__(other).view(MatrixExprCons)
 
     def __eq__(self, other):
         raise NotImplementedError("Cannot compare MatrixExprCons with '=='.")