diff --git a/symengine/__init__.py b/symengine/__init__.py
index f05422c6..c65d4143 100644
--- a/symengine/__init__.py
+++ b/symengine/__init__.py
@@ -55,7 +55,11 @@
 
     def lambdify(args, exprs, **kwargs):
         return Lambdify(args, *exprs, **kwargs)
-
+else:
+    def __getattr__(name):
+        if name == 'lambdify':
+            raise AttributeError("Cannot import numpy, which is required for `lambdify` to work")
+        raise AttributeError(f"module 'symengine' has no attribute '{name}'")
 
 __version__ = "0.9.2"