diff --git a/.venv b/.venv
new file mode 100644
index 0000000..c3cb9b2
--- /dev/null
+++ b/.venv
@@ -0,0 +1 @@
+myenv
diff --git a/solax.py b/solax.py
index 0645b0d..f216062 100755
--- a/solax.py
+++ b/solax.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 #from solaxx3.rs485 import SolaxX3
 from solaxx3.solaxx3 import SolaxX3