diff --git a/ddtrace/trace/__init__.py b/ddtrace/trace/__init__.py
index 12ef0d5b191..dcd3aeb928e 100644
--- a/ddtrace/trace/__init__.py
+++ b/ddtrace/trace/__init__.py
@@ -5,4 +5,4 @@
 
 
 # TODO: Move `ddtrace.Tracer`, `ddtrace.Span`, and `ddtrace.tracer` to this module
-__all__ = ["Context", Pin, TraceFilter, FilterRequestsOnUrl]
+__all__ = ["Context", "Pin", "TraceFilter", "FilterRequestsOnUrl"]