improve backward compatibility

MatthiasSchmidtblaicherQC · MatthiasSchmidtblaicherQC · commit bb0a188d3d67 · 2023-12-08T17:13:24.000+01:00
diff --git a/src/glum/_glm.py b/src/glum/_glm.py
@@ -2662,7 +2662,7 @@ def _set_up_and_check_fit_args(
         copy_X = self._should_copy_X()
 
         if isinstance(X, pd.DataFrame):
-            if self.formula is not None:
+            if hasattr(self, "formula") and self.formula is not None:
                 lhs, rhs = _parse_formula(
                     self.formula, include_intercept=self.fit_intercept
                 )

Original file line number	Diff line number	Diff line change
`@@ -2662,7 +2662,7 @@ def _set_up_and_check_fit_args(`
`2662`	`2662`	`copy_X = self._should_copy_X()`
`2663`	`2663`
`2664`	`2664`	`if isinstance(X, pd.DataFrame):`
`2665`		`- if self.formula is not None:`
	`2665`	`+ if hasattr(self, "formula") and self.formula is not None:`
`2666`	`2666`	`lhs, rhs = _parse_formula(`
`2667`	`2667`	`self.formula, include_intercept=self.fit_intercept`
`2668`	`2668`	`)`