scikit-learn
diff --git a/‎sklearn/decomposition/_base.py
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+1-1Lines changed: 1 addition & 1 deletion b/‎sklearn/decomposition/_base.py
Copy file name to clipboardExpand all lines: sklearn/decomposition/_base.py
+1-1Lines changed: 1 addition & 1 deletion
@@ -77,7 +77,7 @@ def get_precision(self):
         return precision
 
     @abstractmethod
-    def fit(X, y=None):
+    def fit(self, X, y=None):
         """Placeholder for fit. Subclasses should implement this method!
 
         Fit the model with X.