If the token is null, the connection hangs (#458) #3113

Job	Run time
check-types (3.13)	20s
check-types (3.14)	20s
check-linting (3.10)	18s
check-linting (3.12)	21s
check-types (3.10)	20s
Unit Tests + Kernel (Python 3.11)	2m 34s
check-linting (3.14)	20s
Unit Tests (Python 3.12, default deps)	1m 59s
Unit Tests + Kernel (Python 3.12)	2m 36s
Unit Tests + PyArrow (Python 3.10, default deps)	2m 45s
check-linting (3.11)	20s
check-linting (3.13)	23s
Unit Tests + Kernel (Python 3.13)	2m 57s
Unit Tests + PyArrow (Python 3.12, default deps)	2m 44s
Unit Tests + PyArrow (Python 3.10, min deps)	2m 43s
Unit Tests + Kernel (Python 3.10)	2m 41s
Unit Tests + Kernel (Python 3.14)	2m 42s
Unit Tests + PyArrow (Python 3.11, min deps)	2m 33s
check-types (3.11)	20s
check-types (3.12)	20s
Unit Tests + PyArrow (Python 3.11, default deps)	2m 32s
Unit Tests (Python 3.10, default deps)	1m 57s
Unit Tests (Python 3.14, min deps)	1m 59s
Unit Tests (Python 3.10, min deps)	2m 1s
Unit Tests + PyArrow (Python 3.14, min deps)	2m 41s
Unit Tests (Python 3.11, default deps)	2m 2s
Unit Tests + PyArrow (Python 3.14, default deps)	2m 36s
Unit Tests (Python 3.11, min deps)	1m 58s
Unit Tests (Python 3.14, default deps)	2m 4s
Unit Tests (Python 3.13, default deps)	2m 1s
Unit Tests + PyArrow (Python 3.13, default deps)	2m 46s
	54m 13s

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