Release 4.4.1 (#1994)

* 4.4.1 CHANGELOG, README, requirements.txt updates

Author: jonmmease

CHANGELOG.md

@@ -2,6 +2,11 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [4.4.1] - 2019-12-10
+
+### Fixed
+ - Fixed improper JSON encoding exception when the `pillow` module not installed [#1993](https://github.com/plotly/plotly.py/pull/1993)
+ 
 ## [4.4.0] - 2019-12-10
 
 ### Updated

README.md

@@ -26,7 +26,7 @@
 
 ## Quickstart
 
-`pip install plotly==4.4.0`
+`pip install plotly==4.4.1`
 
 Inside [Jupyter notebook](https://jupyter.org/install) (installable with `pip install "notebook>=5.3" "ipywidgets>=7.2"`):
 ```python
@@ -72,12 +72,12 @@ Built on top of [plotly.js](https://github.com/plotly/plotly.js), `plotly.py` is
 
 plotly.py may be installed using pip...
 ```
-pip install plotly==4.4.0
+pip install plotly==4.4.1
 ```
 
 or conda.
 ```
-conda install -c plotly plotly=4.4.0
+conda install -c plotly plotly=4.4.1
 ```
 
 ### Jupyter Notebook Support

binder/requirements.txt

@@ -1,5 +1,5 @@
 jupytext
-plotly==4.3.0
+plotly==4.4.1
 jupyter
 notebook
 pandas==0.23.0

doc/python/getting-started.md

@@ -46,12 +46,12 @@ Thanks to deep integration with the [orca](https://github.com/plotly/orca) image
 plotly.py may be installed using pip...
 
 ```
-$ pip install plotly==4.4.0
+$ pip install plotly==4.4.1
 ```
 or conda.
 
 ```
-$ conda install -c plotly plotly=4.4.0
+$ conda install -c plotly plotly=4.4.1
 ```
 This package contains everything you need to write figures to standalone HTML files.
 

doc/requirements.txt

@@ -1,4 +1,4 @@
-plotly==4.3.0
+plotly==4.4.1
 jupytext==1.1.1
 jupyter
 notebook