From b9fd84e11cf8342000cafa8b5b3f406606ffcc8d Mon Sep 17 00:00:00 2001
From: Peter Law <PeterJCLaw@gmail.com>
Date: Sun, 30 Aug 2020 15:48:54 +0100
Subject: [PATCH] Add sanity-check exception

Found by mypy while adding types.
---
 jedi/api/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/jedi/api/__init__.py b/jedi/api/__init__.py
index 946f2c83..0c4db2dc 100644
--- a/jedi/api/__init__.py
+++ b/jedi/api/__init__.py
@@ -105,6 +105,9 @@ class Script:
         self.path = path.absolute() if path else None
 
         if code is None:
+            if path is None:
+                raise ValueError("Must provide at least one of code or path")
+
             # TODO add a better warning than the traceback!
             with open(path, 'rb') as f:
                 code = f.read()