fix(client): loosen auth header validation

Author: stainless-app[bot]

src/anthropic/_client.py

@@ -187,14 +187,10 @@ def _validate_headers(self, headers: Headers, custom_headers: Headers) -> None:
             # valid
             return
 
-        if self.api_key and headers.get("X-Api-Key"):
-            return
-        if isinstance(custom_headers.get("X-Api-Key"), Omit):
+        if headers.get("X-Api-Key") or isinstance(custom_headers.get("X-Api-Key"), Omit):
             return
 
-        if self.auth_token and headers.get("Authorization"):
-            return
-        if isinstance(custom_headers.get("Authorization"), Omit):
+        if headers.get("Authorization") or isinstance(custom_headers.get("Authorization"), Omit):
             return
 
         raise TypeError(
@@ -431,14 +427,10 @@ def _validate_headers(self, headers: Headers, custom_headers: Headers) -> None:
             # valid
             return
 
-        if self.api_key and headers.get("X-Api-Key"):
-            return
-        if isinstance(custom_headers.get("X-Api-Key"), Omit):
+        if headers.get("X-Api-Key") or isinstance(custom_headers.get("X-Api-Key"), Omit):
             return
 
-        if self.auth_token and headers.get("Authorization"):
-            return
-        if isinstance(custom_headers.get("Authorization"), Omit):
+        if headers.get("Authorization") or isinstance(custom_headers.get("Authorization"), Omit):
             return
 
         raise TypeError(