travis2bash python options fix

travis2bash.sh

@@ -161,8 +161,10 @@ if [[ "$(declare -p travis_python)" =~ "declare -a" ]]; then
         # strip quotes
         temp="${pv%\"}"
         pv="${temp#\"}"
-        # strip crap
         options=$(echo "$pv"|cut -d_ -f2-)
+        if [ "$options" == "$pv" ]; then
+            unset options
+        fi
         if [[ "$options" == with* ]]; then
             options="--$(echo "$options"|cut -d_ -f2-|tr -- '_' '-')"
         fi
@@ -176,7 +178,11 @@ if [[ "$(declare -p travis_python)" =~ "declare -a" ]]; then
         sudo apt -y install "python$pv" "python${pv}-dev"
         #fi
 
-        virtualenv_init "$ppath" "$pv" "$options"
+        if [ -n "$options" ]; then
+            virtualenv_init "$ppath" "$pv" "$options"
+        else
+            virtualenv_init "$ppath" "$pv"
+        fi
         virtualenv_activate "$pv"
         python_run "$ppath" "$pv"
         deactivate