diff --git a/classes/Config.php b/classes/Config.php
index 87fdf10..c57c848 100644
--- a/classes/Config.php
+++ b/classes/Config.php
@@ -109,6 +109,9 @@ class Config
         if (getenv('CONVERT')) {
             $this->convert = (bool) getenv('CONVERT');
         }
+        if (getenv('PYTHON')) {
+            $this->python = getenv('PYTHON');
+        }
     }
 
     /**
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..e69de29