MAINT: Clean up the returns check, too

Author: larsoner

numpydoc/validate.py

@@ -570,11 +570,10 @@ def validate(func_name):
                 if not desc:
                     errs.append(error("RT03"))
                 else:
-                    desc = "\n".join(desc)
-                    if desc[0].isalpha() and not desc[0].isupper():
+                    if desc[0][0].isalpha() and not desc[0][0].isupper():
                         errs.append(error("RT04"))
-                    if not desc.endswith(".") and \
-                            not desc.split("\n")[-1].startswith(IGNORE_STARTS):
+                    if not desc[-1].endswith(".") and \
+                            not desc[-1].startswith(IGNORE_STARTS):
                         errs.append(error("RT05"))
 
         if not doc.yields and "yield" in doc.method_source: