Fix test_sequence.py for pytest >= 9.2

tests/test_sequence.py

@@ -9,9 +9,13 @@
 import numpy as np
 import pypulseq as pp
 import pytest
-from _pytest.python_api import ApproxBase
 from pypulseq import Sequence
 
+if hasattr(pytest, 'Approx'):
+    ApproxBase = pytest.Approx  # public since pytest 9.2
+else:
+    from _pytest.python_api import ApproxBase  # older pytest
+
 expected_output_path = Path(__file__).parent / 'expected_output'
 
 
@@ -21,6 +25,9 @@ class Approx(ApproxBase):
     recursively within dicts, lists, tuples, and SimpleNamespace
     """
 
+    def __init__(self, expected, rel=None, abs=None, nan_ok=False):  # noqa: A002
+        super().__init__(expected, rel=rel, abs=abs, nan_ok=nan_ok)
+
     def __repr__(self):
         return str(self.expected)
 
@@ -45,6 +52,8 @@ def __eq__(self, actual):
             return True
         elif isinstance(self.expected, SimpleNamespace):
             return actual.__dict__ == Approx(self.expected.__dict__, rel=self.rel, abs=self.abs, nan_ok=self.nan_ok)
+        elif isinstance(self.expected, (str, bytes, bool, type(None))):
+            return actual == self.expected
         else:
             return actual == pytest.approx(self.expected, rel=self.rel, abs=self.abs, nan_ok=self.nan_ok)
 
@@ -76,6 +85,8 @@ def _repr_compare(self, actual):
             return Approx(self.expected.__dict__, rel=self.rel, abs=self.abs, nan_ok=self.nan_ok)._repr_compare(
                 actual.__dict__
             )
+        elif isinstance(self.expected, (str, bytes, bool, type(None))):
+            return [f'Values do not match: {actual!r} != {self.expected!r}']
         else:
             return pytest.approx(self.expected, rel=self.rel, abs=self.abs, nan_ok=self.nan_ok)._repr_compare(actual)