[ebuild     U ] dev-python/sphinx-2.0.1-r1 [1.7.5-r1] USE="doc -latex -test (-net%)" PYTHON_TARGETS="python3_6 (-pypy3) (-python3_7) (-python3_8) (-python2_7%*)" 
[blocks B     ] dev-python/sphinxcontrib-websupport ("dev-python/sphinxcontrib-websupport" is blocking dev-python/sphinx-2.0.1-r1)

!!! Multiple package instances within a single package slot have been pulled
!!! into the dependency graph, resulting in a slot conflict:

dev-python/sphinx:0

  (dev-python/sphinx-2.0.1-r1:0/0::gentoo, ebuild scheduled for merge) USE="doc -latex -test" ABI_X86="(64)" PYTHON_TARGETS="python3_6 (-pypy3) (-python3_7) (-python3_8)" pulled in by
    >=dev-python/sphinx-2.0[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-)] required by (dev-python/sphinxcontrib-serializinghtml-1.1.3:0/0::gentoo, installed) USE="" ABI_X86="(64)" PYTHON_TARGETS="python3_6 (-pypy3) (-python3_7) (-python3_8)"
    ^^                  ^^^                                                                                                                                                                                                                                                                                                                                                                                                                                  
    =dev-python/sphinx-2.0.1-r1::gentoo (Argument)
    (and 5 more with the same problems)

  (dev-python/sphinx-1.7.5-r1:0/0::gentoo, installed) USE="doc -latex -net -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 (-pypy3) (-python3_7) (-python3_8)" pulled in by
    dev-python/sphinx[python_targets_python2_7(-),python_targets_python3_6(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-)] required by (dev-python/sphinx-gallery-0.1.12:0/0::gentoo, installed) USE="" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 (-python3_7)"
                                                                                                                                                                                                                                                                                                                                      
    >=dev-python/sphinx-1.5.3[python_targets_pypy3(-)?,python_targets_python2_7(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,-python_single_target_pypy3(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-)] required by (dev-python/sphinxcontrib-websupport-1.1.0:0/0::gentoo, installed) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 (-pypy3) (-python3_7) (-python3_8)"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

NOTE: Use the '--verbose-conflicts' option to display parents omitted above


 * Error: The above package list contains packages which cannot be
 * installed at the same time on the same system.

  (dev-python/sphinxcontrib-websupport-1.1.0:0/0::gentoo, installed) pulled in by
    dev-python/sphinxcontrib-websupport[python_targets_pypy3(-)?,python_targets_python2_7(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,-python_single_target_pypy3(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-)] (dev-python/sphinxcontrib-websupport[python_targets_python2_7(-),python_targets_python3_6(-),-python_single_target_pypy3(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-)]) required by (dev-python/sphinx-1.7.5-r1:0/0::gentoo, installed) USE="doc -latex -net -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 (-pypy3) (-python3_7) (-python3_8)"