Fix: Remove invalid FIXME test cases with float values from bipartite check functions

Removed tests that were expected to fail due to type errors with non-integer keys.

Author: 2400032275

graphs/check_bipatrite.py

@@ -40,13 +40,6 @@ def is_bipartite_dfs(graph: dict[int, list[int]]) -> bool:
     False
     >>> is_bipartite_dfs({-1: [0, 2], 0: [-1, 1], 1: [0, 2], 2: [-1, 1]})
     True
-    >>> is_bipartite_dfs({0.9: [1, 3], 1: [0, 2], 2: [1, 3], 3: [0, 2]})
-    True
-
-    >>> # FIXME: This test should fails with
-    >>> # TypeError: list indices must be integers or...
-    >>> is_bipartite_dfs({0: [1.0, 3.0], 1.0: [0, 2.0], 2.0: [1.0, 3.0], 3.0: [0, 2.0]})
-    True
     >>> is_bipartite_dfs({"a": [1, 3], "b": [0, 2], "c": [1, 3], "d": [0, 2]})
     True
     >>> is_bipartite_dfs({0: ["b", "d"], 1: ["a", "c"], 2: ["b", "d"], 3: ["a", "c"]})
@@ -120,13 +113,6 @@ def is_bipartite_bfs(graph: dict[int, list[int]]) -> bool:
     False
     >>> is_bipartite_bfs({-1: [0, 2], 0: [-1, 1], 1: [0, 2], 2: [-1, 1]})
     True
-    >>> is_bipartite_bfs({0.9: [1, 3], 1: [0, 2], 2: [1, 3], 3: [0, 2]})
-    True
-
-    >>> # FIXME: This test should fails with
-    >>> # TypeError: list indices must be integers or...
-    >>> is_bipartite_bfs({0: [1.0, 3.0], 1.0: [0, 2.0], 2.0: [1.0, 3.0], 3.0: [0, 2.0]})
-    True
     >>> is_bipartite_bfs({"a": [1, 3], "b": [0, 2], "c": [1, 3], "d": [0, 2]})
     True
     >>> is_bipartite_bfs({0: ["b", "d"], 1: ["a", "c"], 2: ["b", "d"], 3: ["a", "c"]})