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Fix GitHub App auth: string JWT issuer (PyJWT >=2.10) #1

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Merged
jontyms merged 1 commit into from
Jun 6, 2026
Merged

Fix GitHub App auth: string JWT issuer (PyJWT >=2.10) #1

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5 changes: 4 additions & 1 deletion githubapp/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,10 @@ def __init__(self, app=None):

@staticmethod
def load_env(app):
app.config["GITHUBAPP_ID"] = int(os.environ["APP_ID"])
# Validate APP_ID is numeric, but store it as a string: github3.py uses
# this value as the JWT `iss` claim, and PyJWT >=2.10 rejects non-string
# issuers ("Issuer (iss) must be a string.").
app.config["GITHUBAPP_ID"] = str(int(os.environ["APP_ID"]))
app.config["GITHUBAPP_SECRET"] = os.environ["WEBHOOK_SECRET"]
if "GHE_HOST" in os.environ:
app.config["GITHUBAPP_URL"] = "https://{}".format(os.environ["GHE_HOST"])
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