Add tons of null checks to pycodex #412

Job	Run time
Push / Generate strategy matrix	20s
Push / CrashTest PyCoal	20s
Push / CrashTest PyCoal, PyInd	22s
Push / CrashTest PyFE	23s
Push / CrashTest PyFE, PyInd	33s
Push / CrashTest PyHT	41s
Push / CrashTest PyRO	31s
Push / CrashTest PyRO, PyFE	33s
Push / CrashTest PyRO, PyHT	40s
Push / CrashTest PyPH	29s
Push / CrashTest PyPH, PyHT	41s
Push / CrashTest PyPH, PyRO	38s
Push / CrashTest PyPH, PyRO, PyHT	46s
Push / CrashTest PyAl	1m 21s
Push / CrashTest PyAl, PyHT	1m 31s
Push / CrashTest PyAE	2m 5s
Push / TechTree PyCoal	18s
Push / TechTree PyCoal, PyInd	30s
Push / TechTree PyFE	25s
Push / TechTree PyFE, PyInd	26s
Push / TechTree PyHT	38s
Push / TechTree PyRO	39s
Push / TechTree PyRO, PyFE	54s
Push / TechTree PyRO, PyHT	1m 1s
Push / TechTree PyPH	43s
Push / TechTree PyPH, PyHT	51s
Push / TechTree PyPH, PyRO	1m 8s
Push / TechTree PyPH, PyRO, PyHT	1m 18s
Push / TechTree PyAl	2m 57s
Push / TechTree PyAl, PyHT	3m 27s
Push / TechTree PyAE	4m 47s
Push / Discord Notification	4s
	32m 0s

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