update span event attribute

ddtrace/_trace/span.py

@@ -64,10 +64,6 @@ def __init__(self, name: str, attributes: Optional[Dict[str, Any]] = None, time_
         self.name: str = name
         if attributes is None:
             self.attributes = {}
-        elif not isinstance(attributes, dict):
-            raise TypeError("attributes must be a dictionary")
-        elif not all(isinstance(k, str) for k in attributes.keys()):
-            raise TypeError("All attributes keys must be strings")
         else:
             self.attributes = attributes
         if time_unix_nano is None:
@@ -81,6 +77,11 @@ def __dict__(self):
         return d
 
     def __str__(self):
+        """
+        Stringify and return value.
+        Attribute value can be either str, bool, int/float, list.
+        """
+
         def format_value(value: Any) -> str:
             if isinstance(value, list):
                 return f"[{' '.join(map(str, value))}]"

ddtrace/contrib/internal/graphql/patch.py

@@ -292,6 +292,9 @@ def _get_source_str(obj):
 
 
 def _set_span_errors(errors: List[GraphQLError], span: Span) -> None:
+    """
+    Set tags on error span and set span events on each error.
+    """
     if not errors:
         # do nothing if the list of graphql errors is empty
         return
@@ -300,9 +303,6 @@ def _set_span_errors(errors: List[GraphQLError], span: Span) -> None:
     exc_type_str = "%s.%s" % (GraphQLError.__module__, GraphQLError.__name__)
     span.set_tag_str(ERROR_TYPE, exc_type_str)
     error_msgs = "\n".join([str(error) for error in errors])
-    # Since we do not support adding and visualizing multiple tracebacks to one span
-    # we will not set the error.stack tag on graphql spans. Setting only one traceback
-    # could be misleading and might obfuscate errors.
     span.set_tag_str(ERROR_MSG, error_msgs)
     for error in errors:
         locations = [f"{loc.formatted['line']}:{loc.formatted['column']}" for loc in error.locations]