setup: update fsspec to 2021.6.1 (#6219)

* setup: update fsspec to 2021.6.1

* fs: local: remove temp workaround

dvc/fs/local.py

@@ -32,9 +32,7 @@ def open(path_info, mode="r", encoding=None, **kwargs):
 
     def exists(self, path_info) -> bool:
         assert isinstance(path_info, str) or path_info.scheme == "local"
-        # NOTE: os.fspath could be removed after fsspec 2021.06.1
-        # https://github.com/intake/filesystem_spec/issues/666
-        return self.fs.exists(os.fspath(path_info))
+        return self.fs.exists(path_info)
 
     def isfile(self, path_info) -> bool:
         return os.path.isfile(path_info)

setup.py

@@ -88,16 +88,16 @@ def run(self):
     "python-benedict>=0.21.1",
     "pyparsing==2.4.7",
     "typing_extensions>=3.7.4",
-    "fsspec==2021.6.0",
+    "fsspec==2021.6.1",
     "diskcache>=5.2.1",
 ]
 
 
 # Extra dependencies for remote integrations
 
-gs = ["gcsfs==2021.6.0"]
+gs = ["gcsfs==2021.6.1"]
 gdrive = ["pydrive2>=1.8.1", "six >= 1.13.0"]
-s3 = ["s3fs==2021.6.0", "aiobotocore[boto3]==1.3.0"]
+s3 = ["s3fs==2021.6.1", "aiobotocore[boto3]==1.3.0"]
 azure = ["adlfs==0.7.1", "azure-identity>=1.4.0", "knack"]
 # https://github.com/Legrandin/pycryptodome/issues/465
 oss = ["oss2==2.6.1", "pycryptodome>=3.10"]