refactor[python]: _from_pyexpr as @classmethod (#4681)

pola-rs · Sep 2, 2022 · e80fccd · e80fccd
1 parent a86ba9b
commit e80fccd
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/py-polars/polars/internals/expr/expr.py b/py-polars/polars/internals/expr/expr.py
@@ -131,18 +131,18 @@ class Expr:
     def __init__(self) -> None:
         self._pyexpr: PyExpr  # pragma: no cover
 
+    @classmethod
+    def _from_pyexpr(cls, pyexpr: PyExpr) -> Expr:
+        expr = cls.__new__(cls)
+        expr._pyexpr = pyexpr
+        return expr
+
     def __str__(self) -> str:
         return self._pyexpr.to_str()
 
     def _repr_html_(self) -> str:
         return self._pyexpr.to_str()
 
-    @staticmethod
-    def _from_pyexpr(pyexpr: PyExpr) -> Expr:
-        self = Expr.__new__(Expr)
-        self._pyexpr = pyexpr
-        return self
-
     def _to_pyexpr(self, other: Any) -> PyExpr:
         return self._to_expr(other)._pyexpr