Also dedent code in find_imports

src/pyodide.py

@@ -48,6 +48,9 @@ def find_imports(code):
     Finds the imports in a string of code and returns a list of their package
     names.
     """
+    # handle mis-indented input from multi-line strings
+    code = dedent(code)
+
     mod = ast.parse(code)
     imports = set()
     for node in ast.walk(mod):

test/conftest.py

@@ -107,9 +107,6 @@ class SeleniumWrapper:
 
     def run_async(self, code):
         from selenium.common.exceptions import TimeoutException
-        if isinstance(code, str) and code.startswith('\n'):
-            # we have a multiline string, fix indentation
-            code = textwrap.dedent(code)
         self.run_js(
             """
             window.done = false;