Index: sdk/lib/_internal/pub/lib/src/solver/backtracking_solver.dart |
diff --git a/sdk/lib/_internal/pub/lib/src/solver/backtracking_solver.dart b/sdk/lib/_internal/pub/lib/src/solver/backtracking_solver.dart |
index d96f1574e834822047737209da20d3131a302552..44a9c7dfb5c4ebb83dbb856fff29eaed901e37ef 100644 |
--- a/sdk/lib/_internal/pub/lib/src/solver/backtracking_solver.dart |
+++ b/sdk/lib/_internal/pub/lib/src/solver/backtracking_solver.dart |
@@ -39,6 +39,7 @@ import 'dart:async'; |
import 'dart:collection' show Queue; |
import '../barback.dart' as barback; |
+import '../exceptions.dart'; |
import '../lock_file.dart'; |
import '../log.dart' as log; |
import '../package.dart'; |