Update exclusive_primary_alt_value_setting to handle None dictionary

core/dbt/config/project.py

@@ -837,12 +837,11 @@ def read_project_flags(project_dir: str, profiles_dir: str) -> ProjectFlags:
             project_flags = profile_project_flags
 
         if project_flags is not None:
-            # if warn_error_options are set, handle collapsing `include` and `error` as well as
-            # collapsing `exclude` and `warn`
+            # handle collapsing `include` and `error` as well as collapsing `exclude` and `warn`
+            # for warn_error_options
             warn_error_options = project_flags.get("warn_error_options")
-            if warn_error_options:
-                exclusive_primary_alt_value_setting(warn_error_options, "include", "error")
-                exclusive_primary_alt_value_setting(warn_error_options, "exclude", "warn")
+            exclusive_primary_alt_value_setting(warn_error_options, "include", "error")
+            exclusive_primary_alt_value_setting(warn_error_options, "exclude", "warn")
 
             ProjectFlags.validate(project_flags)
             return ProjectFlags.from_dict(project_flags)

core/dbt/config/utils.py

@@ -1,4 +1,4 @@
-from typing import Any, Dict
+from typing import Any, Dict, Optional
 
 
 from dbt.clients import yaml_helper
@@ -26,7 +26,7 @@ def parse_cli_yaml_string(var_string: str, cli_option_name: str) -> Dict[str, An
 
 
 def exclusive_primary_alt_value_setting(
-    dictionary: Dict[str, Any], primary: str, alt: str
+    dictionary: Optional[Dict[str, Any]], primary: str, alt: str
 ) -> None:
     """Munges in place under the primary the options for the primary and alt values
 
@@ -35,6 +35,9 @@ def exclusive_primary_alt_value_setting(
     the dictionary to ensure the primary key contains the values. If neither are set, nothing happens.
     """
 
+    if dictionary is None:
+        return
+
     primary_options = dictionary.get(primary)
     alt_options = dictionary.get(alt)