fix: use array and new pluralized name for credential overrides

Signed-off-by: Nick Hale <4175918+njhale@users.noreply.github.com>

Author: njhale

gptscript/opts.py

@@ -30,7 +30,7 @@ def __init__(self,
                  chatState: str = "",
                  confirm: bool = False,
                  prompt: bool = False,
-                 credentialOverride: str = "",
+                 credentialOverrides: list[str] = None,
                  env: list[str] = None,
                  apiKey: str = "",
                  baseURL: str = "",
@@ -44,5 +44,5 @@ def __init__(self,
         self.chatState = chatState
         self.confirm = confirm
         self.prompt = prompt
-        self.credentialOverride = credentialOverride
+        self.credentialOverrides = credentialOverrides
         self.env = env

tests/test_gptscript.py

@@ -189,7 +189,7 @@ async def test_credential_override(gptscript):
         "./tests/fixtures/credential-override.gpt", 
         Options(
             disableCache=True,
-            credentialOverride='test.ts.credential_override:TEST_CRED=foo'
+            credentialOverrides=['test.ts.credential_override:TEST_CRED=foo']
         ),
     )
     assert "foo" in await run.text(), "Expect credential override to have correct output"