test distro dependency

dotdrop/utils.py

@@ -400,6 +400,16 @@ def dependencies_met():
         assert toml
     except ImportError as exc:
         raise Exception(err) from exc
+
+    # distro
+    name = 'distro'
+    err = f'missing python module \"{name}\"'
+    try:
+        import distro
+        assert distro
+    except ImportError as exc:
+        raise Exception(err) from exc
+
 # pylint: enable=C0415