[Fixed] None case for the backslash fixer #2509

Job	Run time
test_indep	5m 50s
test (ki5, g1)	5m 9s
test (ki5, g2)	3m 55s
test (ki5, g3)	3m 40s
test (ki6, g1)	5m 40s
test (ki6, g2)	5m 23s
test (ki6, g3)	4m 31s
test (ki7, g1)	5m 59s
test (ki7, g2)	6m 33s
test (ki7, g3)	5m 53s
test (ki8, g1)	6m 39s
test (ki8, g2)	5m 43s
test (ki8, g3)	6m 3s
Consolidate coverage data	1m 7s
Triggers the docker images creation	1s
Finish Coveralls	3s
	1h 12m 9s

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