fix pandas-dev#25487 add modify documentation

yehia67 · yehia67 · commit 3c3bbb542083 · 2019-03-01T01:54:53.000+02:00
diff --git a/doc/source/development/contributing.rst b/doc/source/development/contributing.rst
@@ -176,7 +176,9 @@ We'll now kick off a three-step process:
 .. code-block:: none
 
    # Create and activate the build environment
+   
    conda env create -f environment.yml
+   conda uninstall --force pandas
    conda activate pandas-dev
 
    # or with older versions of Anaconda:
