debugging

noxfile.py

@@ -289,6 +289,7 @@ def tests(session: Session, extra: str) -> None:
             "--cov-report=term-missing",
             "--cov-report=xml",
             "--cov-append",
+            "-s",
         ]
         if not CI_RUN:
             args.append("--cov-report=html")

pandera/engines/engine.py

@@ -191,7 +191,6 @@ def dtype(cls: _EngineType, data_type: Any) -> _DataType:
         equivalent_data_type = registry.equivalents.get(data_type)
         if equivalent_data_type is not None:
             return equivalent_data_type
-
         try:
             return registry.dispatch(data_type)
         except (KeyError, ValueError):

pandera/engines/pandas_engine.py

@@ -547,3 +547,8 @@ def from_parametrized_dtype(cls, pd_dtype: pd.IntervalDtype):
         """Convert a :class:`pandas.IntervalDtype` to
         a Pandera :class:`~pandera.engines.pandas_engine.Interval`."""
         return cls(subtype=pd_dtype.subtype)  # type: ignore
+
+
+print("PANDAS ENGINE EQUIVALENTS")
+for k, v in engine.Engine._registry[Engine].equivalents.items():
+    print(f"{k}: equivalents={v}")