diff --git a/tests/basics/import1b.py b/tests/basics/import1b.py
index 80479088f0..be74eca094 100644
--- a/tests/basics/import1b.py
+++ b/tests/basics/import1b.py
@@ -1 +1,4 @@
 var = 123
+
+def throw():
+    raise ValueError
diff --git a/tests/basics/try-module.py b/tests/basics/try-module.py
new file mode 100644
index 0000000000..e62df8487d
--- /dev/null
+++ b/tests/basics/try-module.py
@@ -0,0 +1,15 @@
+# Regression test for #290 - throwing exception in another module led to
+# its namespace stick and namespace of current module not coming back.
+import import1b
+
+def func1():
+    return
+
+def func2():
+    try:
+        import1b.throw()
+    except ValueError:
+        pass
+    func1()
+
+func2()