python-dateutil: "downgrade" to version 2.9.0 #20881

Job	Run time
Feeds Package Test Build / Test aarch64_generic	22m 53s
Feeds Package Test Build / Test arm_cortex-a15_neon-vfpv4	21m 37s
Feeds Package Test Build / Test arm_cortex-a9_vfpv3-d16	21m 32s
Feeds Package Test Build / Test i386_pentium-mmx	22m 0s
Feeds Package Test Build / Test mips_24kc	19m 10s
Feeds Package Test Build / Test mipsel_24kc	18m 32s
Feeds Package Test Build / Test powerpc_464fp	22m 21s
Feeds Package Test Build / Test powerpc_8548	21m 46s
Feeds Package Test Build / Test riscv64_riscv64	24m 26s
Feeds Package Test Build / Test x86_64	21m 16s
	3h 35m 33s

Provide feedback