Fix code format in Running unit tests (#789)

PokhodenkoSA · web-flow · commit 4e2cd369a157 · 2020-04-02T14:17:14.000+03:00
diff --git a/README.rst b/README.rst
@@ -324,6 +324,7 @@ Developer's Guide and must not be included into User's Guide.
 Running unit tests
 ------------------
 ::
+
     # Scipy is required for tests
     conda install -y scipy
 
