diff --git a/dev-python/yapf/Manifest b/dev-python/yapf/Manifest
new file mode 100644
index 0000000..ba42df7
--- /dev/null
+++ b/dev-python/yapf/Manifest
@@ -0,0 +1,2 @@
+DIST yapf-9999.zip 177947 SHA256 e079d961ad2213b806898e5bc17935b7c63ad61512c97a536de7f36e6029e8e5 SHA512 5e3ba1419c8a6730735f1259fed1619f237a1e55ac411d0d1518a26a1723ac486086abe807fba8886be53c4a07f3960924efee187823960a23146569d201c307 WHIRLPOOL b774a29a7c6ce5758f6dfa3ab3f089bd0cdfef8ea153cfafa61a22be47167d1f77ae207d37c0854ddc004055bc2c59b1db4d31916bf66714e8da411cc08ad08c
+EBUILD yapf-9999.ebuild 373 SHA256 525626491e3604ee5c0d344cd756d8ef79f83ba48d805e020921a6563be140f4 SHA512 a68316d8a460f5bf3d1da65b9e2310da3f371e700ee33333166b5d83db77743f0909d75ee38587c627aa8e9eabedf9710a42e82d0327886d4850b002d124238c WHIRLPOOL 9d8a8bc28e341723c4b26d54914db1eaa9ee6dc46ffa83375a9e7097c1c033f33456347a60090da7e668509b6644bce5a7b7b3cba8243e61df9cfc662d77a2d5
diff --git a/dev-python/yapf/yapf-9999.ebuild b/dev-python/yapf/yapf-9999.ebuild
new file mode 100644
index 0000000..8e8c874
--- /dev/null
+++ b/dev-python/yapf/yapf-9999.ebuild
@@ -0,0 +1,17 @@
+EAPI=6
+PYTHON_COMPAT=( python{2_7,3_5,3_6} )
+
+inherit distutils-r1
+
+DESCRIPTION="A formatter for Python files"
+HOMEPAGE="https://github.com/google/yapf"
+SRC_URI="https://github.com/google/yapf/archive/master.zip -> ${P}.zip"
+
+LICENSE="Apache"
+SLOT="0"
+IUSE=""
+
+DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]"
+RDEPEND="dev-python/jupyter_core"
+
+S="${WORKDIR}/${PN}-master"