Extensions rebuild with poetry

Author: iamishalkin

README.md

@@ -44,35 +44,28 @@ git submodule init
 git submodule update
 ``` 
 
-To install dxfeed from source you need Poetry, Cython and taskipy in addition to the normal dependencies above.
-Poetry provides a custom installer. This is the recommended way of installing poetry according to
-[documentation](https://python-poetry.org/docs/)
+To install dxfeed from source you need Poetry. It provides a custom installer.
+This is the recommended way of installing poetry according to [documentation](https://python-poetry.org/docs/)
 
-For osx / linux / bashonwindows:
+For osx / linux / windows (with bash):
 
 ```bash
 curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python
 ```
 
-Cython and taskipy can be installed from pypi:
-
-```python
-pip3 install cython taskipy
-``` 
-
 In the project root directory (same one where you found this file after
 cloning the git repo), execute:
 
 ```bash
-task build
-pip install dist/dxfeed-x.x.x.tar.gz
+poetry install 
 ```
 
-or for installing in [development mode](https://pip.pypa.io/en/latest/reference/pip_install.html#editable-installs):
+By default package is installed in 
+[development mode](https://pip.pypa.io/en/latest/reference/pip_install.html#editable-installs). To rebuild 
+C extensions, after editing .pyx files:
 
 ```bash
-task build_inplace
-pip install -e .
+poetry run task build_inplace  # build c extensions
 ```
 
 ## Basic usage