remove typing_extensions, update version

blobfile · May 8, 2020 · 0a6e2ea · 0a6e2ea
1 parent 1a5d832
commit 0a6e2ea
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Showing 3 changed files with 9 additions and 5 deletions.
diff --git a/blobfile/ops.py b/blobfile/ops.py
@@ -37,8 +37,14 @@
     NamedTuple,
     List,
     Union,
+    TYPE_CHECKING,
 )
-from typing_extensions import Literal
+
+if TYPE_CHECKING:
+    # only supported in python 3.8+
+    # because this isn't used for a base class or casting, we don't need to postpone
+    # evaluation of type annotations with https://www.python.org/dev/peps/pep-0563/
+    from typing import Literal
 
 
 import urllib3
@@ -2404,7 +2410,7 @@ class _ProxyFile(io.FileIO):
     def __init__(
         self,
         local_path: str,
-        mode: Literal["r", "rb", "w", "wb", "a", "ab"],
+        mode: 'Literal["r", "rb", "w", "wb", "a", "ab"]',
         tmp_dir: Optional[str],
         remote_path: Optional[str],
     ) -> None:

diff --git a/env.yaml b/env.yaml
@@ -17,4 +17,3 @@ dependencies:
     - imageio-ffmpeg==0.3.0
     - xmltodict==0.12.0
     - azure-cli==2.0.75
-    - typing-extensions==3.7.4.1
diff --git a/setup.py b/setup.py
@@ -34,7 +34,7 @@ def run(self):
 
 setup_dict = dict(
     name="blobfile",
-    version="0.16.8",
+    version="0.16.9",
     description="Read GCS and local paths with the same interface, clone of tensorflow.io.gfile",
     long_description=README,
     long_description_content_type="text/markdown",
@@ -47,7 +47,6 @@ def run(self):
         "urllib3~=1.25",
         "xmltodict~=0.12.0",
         "filelock~=3.0",
-        "typing-extensions>=3.7.4.1",
     ],
     extras_require={
         "dev": [