Do not use pip to download python modules.

l/cheetah/cheetah.SlackBuild

@@ -31,6 +31,7 @@
 NAMESRC=${NAMESRC:-Cheetah}
 VERSION=${VERSION:-2.4.4}
 ARCHIVE=${ARCHIVE:-$NAMESRC-$VERSION.tar.gz}
+WGET=${WGET:-https://pypi.python.org/packages/cd/b0/c2d700252fc251e91c08639ff41a8a5203b627f4e0a2ae18a6b662ab32ea/$ARCHIVE}
 
 # Build infos
 NAMEPKG=${NAMEPKG:-cheetah}
@@ -71,7 +72,8 @@ esac
 
 # Get and verify the source archive
 if [ ! -r $ARCHIVE ]; then
-    pip download --no-deps --no-binary :all: $NAMESRC==$VERSION
+    wget -c -O $ARCHIVE.part "$WGET"
+    mv $ARCHIVE.part $ARCHIVE
 fi
 sha256sum -c $ARCHIVE.sha256
 NAME=$(tar ft $ARCHIVE | head -n 1 | cut -d / -f 1)

l/python-markdown/python-markdown.SlackBuild

@@ -28,6 +28,7 @@
 NAMESRC=${NAMESRC:-Markdown}
 VERSION=${VERSION:-2.6.10}
 ARCHIVE=${ARCHIVE:-$NAMESRC-$VERSION.zip}
+WGET=${WGET:-https://pypi.python.org/packages/f0/68/d7d5503adbd302fb8e44c8ece2b8afff467a888efb8a0a116c432cc4f4fe/$ARCHIVE}
 
 # Build infos
 NAMEPKG=${NAMEPKG:-python-markdown}
@@ -56,7 +57,8 @@ fi
 
 # Get and verify the source archive
 if [ ! -r $ARCHIVE ]; then
-    pip download --no-deps --no-binary :all: $NAMESRC==$VERSION
+    wget -c -O "$ARCHIVE.part" "$WGET"
+    mv $ARCHIVE.part $ARCHIVE
 fi
 sha256sum -c $ARCHIVE.sha256
 NAME=$NAMESRC-$VERSION