Bump fsspec version (#6214)

* Bump fsspec version

* local: use fsspec 2021.06.0 with a temp hack

Co-authored-by: Ruslan Kuprieiev <[email protected]>

dvc/fs/local.py

@@ -32,7 +32,9 @@ class LocalFileSystem(BaseFileSystem):
 
     def exists(self, path_info) -> bool:
         assert isinstance(path_info, str) or path_info.scheme == "local"
-        return self.fs.exists(path_info)
+        # 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))
 
     def isfile(self, path_info) -> bool:
         return os.path.isfile(path_info)

setup.py

@@ -88,7 +88,7 @@ install_requires = [
     "python-benedict>=0.21.1",
     "pyparsing==2.4.7",
     "typing_extensions>=3.7.4",
-    "fsspec @ git+https://github.com/intake/filesystem_spec.git",
+    "fsspec==2021.6.0",
     "diskcache>=5.2.1",
 ]