fix(frontend-python): resolve pcc issues

frontends/concrete-python/.pylintrc

@@ -445,7 +445,8 @@ disable=raw-checker-failed,
         too-many-statements,
         unnecessary-lambda-assignment,
         use-implicit-booleaness-not-comparison,
-        wrong-import-order
+        wrong-import-order,
+        unsubscriptable-object
 
 # Enable the message, report, category or checker with the given id(s). You can
 # either give multiple identifier separated by comma (,) or put this option

frontends/concrete-python/concrete/fhe/tracing/tracer.py

@@ -288,7 +288,7 @@ class Tracer:
         np.reshape,
         np.right_shift,
         np.rint,
-        np.round_,
+        np.round,
         np.sign,
         np.signbit,
         np.sin,
@@ -327,7 +327,7 @@ class Tracer:
         np.reshape: {
             "newshape",
         },
-        np.round_: {
+        np.round: {
             "decimals",
         },
         np.squeeze: {

frontends/concrete-python/tests/execution/test_maxpool.py

@@ -370,9 +370,9 @@ def test_bad_maxpool_special(helpers):
 
     helpers.check_str(
         # pylint: disable=line-too-long
-        """
+        f"""
 
-Expected input elements to be of type np.integer, np.floating, or np.bool_ but it's dtype[object_]
+Expected input elements to be of type np.integer, np.floating, or np.bool_ but it's {type(np.array([{}, None]).dtype).__name__}
 
         """.strip(),  # noqa: E501
         # pylint: enable=line-too-long

frontends/concrete-python/tests/execution/test_round_bit_pattern.py

@@ -46,7 +46,7 @@ def test_plain_round_bit_pattern(sample, lsbs_to_remove, expected_output):
             np.array([3.2, 4.1]),
             3,
             TypeError,
-            "Expected input elements to be integers but they are dtype[float64]",
+            f"Expected input elements to be integers but they are {type(np.array([3.2, 4.1]).dtype).__name__}",  # noqa: E501
         ),
         (
             "foo",

frontends/concrete-python/tests/representation/test_node.py

@@ -99,7 +99,7 @@ def test_node_bad_constant(constant, expected_error, expected_message):
             [],
             ValueError,
             "Evaluation of generic 'unknown' node resulted in array(['abc', 'def'], dtype='<U3') "
-            "of type np.ndarray and of underlying type 'dtype[str_]' "
+            f"of type np.ndarray and of underlying type '{type(np.array(['abc', 'def']).dtype).__name__}' "  # noqa: E501
             "which is not acceptable because of the underlying type",
         ),
         pytest.param(