Try and fix ABSStore on v2 (#2887)

Author: dstansby

requirements_dev_optional.txt

@@ -4,10 +4,7 @@ lmdb==1.6.2; sys_platform != 'win32'
 # optional library requirements for Jupyter
 ipytree==0.2.2
 ipywidgets==8.1.5
-# optional library requirements for services
-# don't let pyup change pinning for azure-storage-blob, need to pin to older
-# version to get compatibility with azure storage emulator on appveyor (FIXME)
-azure-storage-blob==12.21.0 # pyup: ignore
+azure-storage-blob==12.24.1
 redis==5.2.1
 types-redis
 types-setuptools

zarr/_storage/absstore.py

@@ -231,7 +231,7 @@ def getsize(self, path=None):
             elif not fs_path.endswith("/"):
                 fs_path += "/"
             for blob in self.client.walk_blobs(name_starts_with=fs_path, delimiter="/"):
-                blob_client = self.client.get_blob_client(blob)
+                blob_client = self.client.get_blob_client(blob.name)
                 if blob_client.exists():
                     size += blob_client.get_blob_properties().size
             return size