Release2.4 (#632)

* prepare for release

HISTORY.rst

@@ -1,5 +1,13 @@
 History
 =======
+2.4 (2021-06-30)
+-----------------
+* Remove a dependency issue. (#631)
+
+2.3 (2021-06-20)
+-----------------
+* Support logging to comet.ml simutaneously.
+
 2.2 (2021-04-03)
 -----------------
 * Support for type hints.

README.md

@@ -7,7 +7,7 @@
 
 Write TensorBoard events with simple function call.
 
-The current release (v2.1) is tested on anaconda3, with PyTorch 1.5.1 / torchvision 0.6.1 / tensorboard 2.2.2.
+The current release (v2.3) is tested on anaconda3, with PyTorch 1.8.1 / torchvision 0.9.1 / tensorboard 2.5.0.
 
 * Support `scalar`, `image`, `figure`, `histogram`, `audio`, `text`, `graph`, `onnx_graph`, `embedding`, `pr_curve`, `mesh`, `hyper-parameters`
   and `video` summaries.

setup.py

@@ -32,7 +32,7 @@ def run(self):
     history = history_file.read()
 
 preparing_PyPI_package = 'sdist' in sys.argv or 'bdist_wheel' in sys.argv
-version_git = version = '2.2'
+version_git = version = '2.4'
 
 if not preparing_PyPI_package:
     if os.path.exists('.git'):
@@ -92,8 +92,8 @@ def run(self):
 # check the generated tar.gz file 
 # (1. The version number is correct. 2. no *.pyc __pycache__ files)
 # git checkout -b "release x.x"
-# git add setup.py History.rst readme.md
-# git commit -m 'prepare for release' (skip tensorboardX/__init__.py)
+# git add setup.py History.rst readme.md (skip tensorboardX/__init__.py)
+# git commit -m 'prepare for release'
 # add tag
 # twine upload dist/*
 # git push

tensorboardX/comet_utils.py

@@ -1,16 +1,15 @@
 import logging
 import json
 import functools
-from PIL import Image
 from io import BytesIO
 import numpy as np
 from .summary import _clean_tag
 try:
     import comet_ml
     comet_installed = True
+    from PIL import Image
 except ImportError:
     comet_installed = False
-import torch
 
 
 class CometLogger: