Add tests

integration_tests/CMakeLists.txt

@@ -556,6 +556,7 @@ RUN(NAME test_import_04      IMPORT_PATH ..
         LABELS cpython llvm c)
 RUN(NAME test_import_05      LABELS cpython llvm c wasm wasm_x86 wasm_x64)
 RUN(NAME test_import_06      LABELS cpython llvm)
+RUN(NAME test_import_07      LABELS cpython llvm c)
 RUN(NAME test_math           LABELS cpython llvm NOFAST)
 RUN(NAME test_numpy_01       LABELS cpython llvm c)
 RUN(NAME test_numpy_02       LABELS cpython llvm c)

integration_tests/test_import_07.py

@@ -0,0 +1,8 @@
+# test issue 2153
+from test_import_07_module import f as fa
+
+def main0():
+    assert fa(3) == 6
+    assert fa(10) == 20
+
+main0()

integration_tests/test_import_07_module.py

@@ -0,0 +1,4 @@
+from lpython import i32
+
+def f(x: i32) -> i32:
+    return 2 * x