check Python minor version

2 files changed, 6 insertions, 2 deletions

diff --git a/README.rst b/README.rst
index b73cc8c..aa9e27a 100644
--- a/README.rst
+++ b/README.rst
@@ -1,6 +1,7 @@
-keytree
-=======
+keytree.py
+==========
 
+- Make sure you have Python >= 3.7
 - CD into the cloned repo
 - Derive 10 keys from the given mnemonic: ``./keytree.py --end-idx 10``
 - Generate a new mnemonic and derive 10 keys from it: ``./keytree.py --end-idx 10 --gen-mnemonic``
diff --git a/keytree.py b/keytree.py
index ce4727d..721324a 100755
--- a/keytree.py
+++ b/keytree.py
@@ -34,6 +34,9 @@
 
 import os
 import sys
+if sys.version_info[1] < 7:
+    sys.write("Python should be >= 3.7")
+    sys.exit(1)
 basedir = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, basedir + "/freezed_deps")