Actually pass over environment variables

deploy/venv.sls

@@ -42,7 +42,7 @@ upgrade_pip_in_{{ project_name }}_venv:
   cmd.run:
     - name: {{ venv_config.path }}/bin/pip install --upgrade pip
     - user: deployer
-    - env_vars:
+    - env:
         LANG: en_US.UTF-8
         LC_CTYPE: en_US.UTF-8
         LC_ALL: en_US.UTF-8
@@ -55,7 +55,7 @@ install_requirements_in_{{ project_name }}_venv:
   cmd.run:
     - name: {{ venv_config.path }}/bin/pip install -r {{ venv_config.requirements }}
     - user: deployer
-    - env_vars:
+    - env:
         LANG: en_US.UTF-8
         LC_CTYPE: en_US.UTF-8
         LC_ALL: en_US.UTF-8