If the token is null, the connection hangs (#458) #3110

Job	Run time
check-linting (3.11)	19s
check-linting (3.12)	20s
check-types (3.14)	22s
check-types (3.10)	20s
check-types (3.13)	19s
Unit Tests + Kernel (Python 3.10)	2m 43s
check-linting (3.10)	22s
Unit Tests + Kernel (Python 3.14)	2m 42s
Unit Tests + Kernel (Python 3.13)	2m 40s
Unit Tests + PyArrow (Python 3.14, min deps)	2m 41s
check-types (3.11)	21s
Unit Tests + PyArrow (Python 3.11, default deps)	2m 38s
Unit Tests + Kernel (Python 3.11)	2m 37s
Unit Tests + PyArrow (Python 3.10, min deps)	2m 32s
check-linting (3.13)	20s
check-types (3.12)	19s
Unit Tests (Python 3.10, default deps)	1m 57s
Unit Tests + PyArrow (Python 3.14, default deps)	2m 31s
Unit Tests + Kernel (Python 3.12)	2m 34s
Unit Tests + PyArrow (Python 3.10, default deps)	2m 36s
Unit Tests (Python 3.11, default deps)	1m 56s
Unit Tests + PyArrow (Python 3.11, min deps)	2m 35s
Unit Tests (Python 3.11, min deps)	1m 56s
Unit Tests (Python 3.13, default deps)	1m 59s
Unit Tests (Python 3.12, default deps)	2m 0s
Unit Tests (Python 3.14, min deps)	2m 4s
Unit Tests + PyArrow (Python 3.13, default deps)	2m 36s
Unit Tests + PyArrow (Python 3.12, default deps)	2m 29s
Unit Tests (Python 3.10, min deps)	1m 58s
Unit Tests (Python 3.14, default deps)	1m 59s
check-linting (3.14)	23s
	53m 8s

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