diff --git a/atcoder/__main__.py b/atcoder/__main__.py
index 03856c0..9040434 100644
--- a/atcoder/__main__.py
+++ b/atcoder/__main__.py
@@ -69,7 +69,6 @@ def import_module(self, import_from: Optional[str], name: str,
             imports = iter_child_nodes(ast.parse(source))
 
             import_lines = []
-            import_list = []
             for import_info in imports:
                 result += self.import_module(
                     import_info.import_from, import_info.name,
@@ -78,11 +77,6 @@ def import_module(self, import_from: Optional[str], name: str,
                                   import_info.end_lineno):
                     import_lines.append(line)
 
-                if import_info.import_from is None:
-                    import_list.append(import_info.name)
-                else:
-                    import_list.append(import_info.import_from)
-
             for lineno, line in enumerate(lines):
                 if lineno not in import_lines:
                     continue
@@ -97,18 +91,24 @@ def import_module(self, import_from: Optional[str], name: str,
             result += '\n'.join(lines)
             result += '"""\n\n'
             result += f"{module_name} = types.ModuleType('{module_name}')\n"
-            result += f'exec({code}, {module_name}.__dict__)\n'
 
+            # TODO(not): asname
             imported = []
-            for import_ in import_list:
-                modules = import_.split('.')
-                for i in range(len(modules)):
-                    import_name = '.'.join(modules[:i + 1])
-                    if import_name in imported:
-                        continue
-                    imported.append(import_name)
-                    result += f"{module_name}.__dict__['{import_name}']" \
-                        f" = {import_name}\n"
+            for import_info in imports:
+                if import_info.import_from is None:
+                    modules = import_info.name.split('.')
+                    for i in range(len(modules)):
+                        import_name = '.'.join(modules[:i + 1])
+                        if import_name in imported:
+                            continue
+                        imported.append(import_name)
+                        result += f"{module_name}.__dict__['{import_name}']" \
+                            f" = {import_name}\n"
+                else:
+                    result += f"{module_name}.__dict__['{import_info.name}']" \
+                        f" = {import_info.import_from}.{import_info.name}\n"
+
+            result += f'exec({code}, {module_name}.__dict__)\n'
 
         if import_from is None:
             if asname is None: