Remove dead check in _process_initial

str.split(" ") always returns a non-empty list, so the
`len(parts) and isinstance(parts, list)` guard could never be false.

Author: derek73

nameparser/parser.py

@@ -264,10 +264,9 @@ def _process_initial(self, name_part: str, firstname: bool = False) -> str:
         """
         parts = name_part.split(" ")
         initials = []
-        if len(parts) and isinstance(parts, list):
-            for part in parts:
-                if not (self.is_prefix(part) or self.is_conjunction(part)) or firstname:
-                    initials.append(part[0])
+        for part in parts:
+            if not (self.is_prefix(part) or self.is_conjunction(part)) or firstname:
+                initials.append(part[0])
         if len(initials) > 0:
             return self.initials_separator.join(initials)
         # Return '' (never empty_attribute_default, which may be None) when a