ImportError

emsdk.py

diff --git a/emsdk.py b/emsdk.py
index 82cc2e1..daa56e8 100644
--- a/emsdk.py
+++ b/emsdk.py
@@ -1264,7 +1264,7 @@
   # Use mozdownload to figure out what version of Firefox we are looking to get.
   try:
     from mozdownload import FactoryScraper
-  except ModuleNotFoundError:
+  except ImportError:
     # Install mozdownload into the current python interpreter so that it can be imported.
     subprocess.check_call([sys.executable, "-m", "pip", "install", "mozdownload"])
     from mozdownload import FactoryScraper