runtime error

Traceback (most recent call last): File "/home/user/app/app.py", line 42, in <module> service_account = json.loads(os.environ.get('KEY')) File "/usr/local/lib/python3.10/json/__init__.py", line 346, in loads return _default_decoder.decode(s) File "/usr/local/lib/python3.10/json/decoder.py", line 337, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) File "/usr/local/lib/python3.10/json/decoder.py", line 355, in raw_decode raise JSONDecodeError("Expecting value", s, err.value) from None json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

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