l/python-flake8: Upgraded to python-flake8-3.7.9.

l/python-flake8/flake8-3.7.8.tar.gz.sha256

@@ -1 +0,0 @@
-19241c1cbc971b9962473e4438a2ca19749a7dd002dd1a946eaba171b4114548  flake8-3.7.8.tar.gz

l/python-flake8/flake8-3.7.9.tar.gz.sha256

@@ -0,0 +1 @@
+45681a117ecc81e870cbf1262835ae4af5e7a8b08e40b944a8a6e6b895914cfb  flake8-3.7.9.tar.gz

l/python-flake8/python-flake8.SlackBuild

@@ -24,15 +24,15 @@
 #
 # Latest flake8 sourcecode is available at: <https://gitlab.com/pycqa/flake8>.
 #
-# Depends: l/python-entrypoints, l/pyflakes, l/pycodestyle
-# Depends: l/python-mccabe, l/python-enum34, l/python-typing
-# Depends: l/python-backports, l/python-functools32
+# Depends: l/python-entrypoints, l/python-mccabe, l/pycodestyle, l/pyflakes
+# Optional: l/python-backports, l/python-enum34, l/python-functools32
+#
+# Note: The optional dependencies above are only needed for Python 2.
 
 # Source package infos
 NAMESRC=${NAMESRC:-flake8}
-VERSION=${VERSION:-3.7.8}
+VERSION=${VERSION:-3.7.9}
 ARCHIVE=${ARCHIVE:-$NAMESRC-$VERSION.tar.gz}
-WGET=${WGET:-https://files.pythonhosted.org/packages/8d/a7/99222c9200af533c1ecb1120d99adbd1c033b57296ac5cb39d121db007a8/$ARCHIVE}
 
 # Build infos
 NAMEPKG=${NAMEPKG:-python-flake8}
@@ -61,8 +61,7 @@ fi
 
 # Get and verify the source archive
 if [ ! -r $ARCHIVE ]; then
-    wget -c -O $ARCHIVE.part "$WGET"
-    mv $ARCHIVE.part $ARCHIVE
+    pip3 download --no-binary :all: --no-deps $NAMESRC==$VERSION
 fi
 sha256sum -c $ARCHIVE.sha256
 NAME=$(tar ft $ARCHIVE | head -n 1 | cut -d / -f 1)
@@ -72,8 +71,9 @@ cd $TMP
 echo "Building $ARCHIVE..."
 tar xf $CWD/$ARCHIVE
 cd $NAME
-python setup.py build
-python setup.py install --root=$PKG
+# Build for Python 3 only.
+python3 setup.py build
+python3 setup.py install --root=$PKG
 
 # Install the documentation
 mkdir -p $PKG/usr/doc/$NAMEPKG-$VERSION
@@ -87,12 +87,8 @@ install -D -m 644 $CWD/slack-desc $PKG/install/slack-desc
 cat <<EOF > $PKG/install/slack-required
 pycodestyle
 pyflakes
-python-backports
 python-entrypoints
-python-enum34
-python-functools32
 python-mccabe
-python-typing
 EOF
 
 # Package the tree