Make it possible to use goto_definition on "broken" imports

test/completion/goto.py

@@ -120,6 +120,8 @@ import_tree.a
 
 #! ['module mod1']
 import import_tree.mod1
+#! ['module mod1']
+from import_tree.mod1
 #! ['a = 1']
 import_tree.mod1.a
 

test/completion/imports.py

@@ -114,6 +114,12 @@ def as_imports():
     bar.a
 
 
+def broken_import():
+    import import_tree.mod1
+    #? import_tree.mod1
+    from import_tree.mod1
+
+
 def test_import_priorities():
     """
     It's possible to overwrite import paths in an ``__init__.py`` file, by