Update EAPI checks due to missing features in gentoo-x86. Patch by Arfrever.
--- python.eclass
+++ python.eclass
@@ -261,7 +261,7 @@
 DEPEND=">=app-admin/eselect-python-20091230"
 RDEPEND="${DEPEND}"
 
-if has "${EAPI:-0}" 0 1 2 3; then
+if has "${EAPI:-0}" 0 1 2 3 4; then
 	_PYTHON_ATOMS_FROM_PYTHON_DEPEND=()
 	_PYTHON_ATOMS_FROM_PYTHON_BDEPEND=()
 	if [[ -z "${PYTHON_DEPEND}" && -z "${PYTHON_BDEPEND}" ]]; then
@@ -284,21 +284,21 @@
 # @ECLASS-VARIABLE: PYTHON_USE_WITH
 # @DESCRIPTION:
 # Set this to a space separated list of USE flags the Python slot in use must be built with.
-# This variable can be used only in EAPI 2 and 3.
+# This variable can be used only in EAPI 2, 3 and 4.
 
 # @ECLASS-VARIABLE: PYTHON_USE_WITH_OR
 # @DESCRIPTION:
 # Set this to a space separated list of USE flags of which one must be turned on for the slot in use.
 # This variable is ignored when PYTHON_USE_WITH is set.
-# This variable can be used only in EAPI 2 and 3.
+# This variable can be used only in EAPI 2, 3 and 4.
 
 # @ECLASS-VARIABLE: PYTHON_USE_WITH_OPT
 # @DESCRIPTION:
 # Set this to a name of a USE flag if you need to make either PYTHON_USE_WITH or
 # PYTHON_USE_WITH_OR atoms conditional under a USE flag.
-# This variable can be used only in EAPI 2 and 3.
+# This variable can be used only in EAPI 2, 3 and 4.
 
-if has "${EAPI:-0}" 2 3; then
+if has "${EAPI:-0}" 2 3 4; then
 	if [[ -n "${PYTHON_USE_WITH}" || -n "${PYTHON_USE_WITH_OR}" ]]; then
 		_PYTHON_USE_WITH_ATOMS_ARRAY_FROM_PYTHON_DEPEND=()
 		_PYTHON_USE_WITH_ATOMS_ARRAY_FROM_PYTHON_BDEPEND=()
@@ -360,7 +360,7 @@
 	fi
 fi
 
-if has "${EAPI:-0}" 0 1 2 3; then
+if has "${EAPI:-0}" 0 1 2 3 4; then
 	unset _PYTHON_ATOMS_FROM_PYTHON_DEPEND _PYTHON_ATOMS_FROM_PYTHON_BDEPEND
 fi