Fix including zarr.codecs._v2

Author: dstansby

docs/conf.py

@@ -56,10 +56,13 @@
 autoapi_dirs = ['../src/zarr']
 autoapi_add_toctree_entry = False
 autoapi_root = "api"
-autoapi_ignore = ["*v2*"]
+autoapi_ignore = ["*zarr/v2*"]
 
 def skip_private_modules(app, what: str, name: str, obj, skip: bool, options) -> bool:
-    if "._" in name:
+    # TODO: remove this clause when zarr.codecs._v2 is removed
+    if name == "zarr.codecs._v2":
+        return False
+    elif "._" in name:
        return True
     return False