Fix codestyle issues.

Author: rickynilsson

astroquery/ipac/nexsci/nasa_exoplanet_archive/core.py

@@ -392,7 +392,7 @@ def query_aliases(self, object_name):
         url = requests.get("https://exoplanetarchive.ipac.caltech.edu/cgi-bin/Lookup/nph-aliaslookup.py?objname="+object_name)
         data = json.loads(url.text)
 
-        try :
+        try:
             objname_split = object_name.split()
             if len(objname_split) > 1 and len(objname_split[-1]) == 1 and objname_split[-1].isalpha():
                 pl_letter = object_name.split()[-1]
@@ -413,7 +413,6 @@ def query_aliases(self, object_name):
 
         return aliases
 
-
     @class_or_instance
     def _regularize_object_name(self, object_name):
         """Regularize the name of a planet or planet host using the ``aliaslookup`` service"""