Update lib.py

Author: Andrwaa

linear_algebra/src/lib.py

@@ -187,9 +187,11 @@ def __eq__(self, vector: Vector) -> bool:
         """
         performs the comparison between two vectors
         """
-        if len(self) != len(vector):
+        if not isinstance(other, Vector):
+            return NotImplemented
+        if len(self) != len(other):
             return False
-        return all(self.component(i) == vector.component(i) for i in range(len(self)))
+        return all(self.component(i) == other.component(i) for i in range(len(self)))
 
 
 def zero_vector(dimension: int) -> Vector: