improve command construction in coyote script

wile_coyote/bin/coyote

@@ -89,11 +89,12 @@ def run_cbot(start, cbot_dom, prov, action, reuse_key, force, dry, w_card=None,
             domain_list = f"-d {' -d '.join(list(cbot_dom))}"
 
     extra_cmd = f" {' '.join(extra_cmds)}" if extra_cmds else ""
-    cbot_cmd = (
+    _cbot_cmd = (
         f"/usr/local/bin/certbot {action} --non-interactive"
         + f" -c /etc/{prov}/cli.ini --cert-name {cbot_dom[0]}"
         + f" {domain_list} {dry} {force} {reuse_key} {extra_cmd}"
     )
+    cbot_cmd = ' '.join(_cbot_cmd.split())
 
     log.handler(f"executing: {cbot_cmd}", LOG_FILE)