diff --git a/pyn5/__init__.py b/pyn5/__init__.py
index ac8d0da..2e608c0 100644
--- a/pyn5/__init__.py
+++ b/pyn5/__init__.py
@@ -39,5 +39,8 @@
     "DatasetINT64",
     "DatasetFLOAT32",
     "DatasetFLOAT64",
-    "File"
+    "File",
+    "Group",
+    "Dataset",
+    "AttributeManager"
 ]
diff --git a/pyn5/dataset.py b/pyn5/dataset.py
index 47817f9..2c9cb46 100644
--- a/pyn5/dataset.py
+++ b/pyn5/dataset.py
@@ -33,7 +33,7 @@
 
 
 class Dataset(DatasetBase):
-    def __init__(self, name: str, parent: "Group"):
+    def __init__(self, name: str, parent: "Group"):  # noqa would need circular imports
         """
 
         :param name: basename of the dataset
diff --git a/pyn5/file_group.py b/pyn5/file_group.py
index 28ef958..c2e609c 100644
--- a/pyn5/file_group.py
+++ b/pyn5/file_group.py
@@ -69,7 +69,7 @@ def _create_child_dataset(
                 "Set chunks=True to guess reasonable chunk sizes."
             )
             chunks = shape
-        elif chunks == True:
+        elif chunks is True:
             chunks = guess_chunks(shape, dtype.itemsize)
 
         dpath = self._path / name