message: Document installation of dependencies in Python package README
diff: @@ -2,12 +2,17 @@ This is the DuckDB Python package
  ## Default installation
  -You would normally install the DuckDB released version using `pip` as follows:
  - pip install duckdb
  +You would normally install the DuckDB released version using pip as follows:
  +
  + pip3 install duckdb
  ## Installing locally for development
  -For development, you may need a DuckDB python package that is installed from source. In order to install from source, the simplest way is by cloning the git repo, and running the make command with `BUILD_PYTHON` set:
  +For development, you may need a DuckDB Python package that is installed from source. Make sure you have the dependencies installed:
  +
  + pip3 install -r requirements-dev.txt
  +
  + In order to install from source, the simplest way is to install by cloning the git repo, and running the make command with `BUILD_PYTHON` set:
  BUILD_PYTHON=1 make debug
  