diff --git a/app/models/task.py b/app/models/task.py
index 530de0b0..d068813e 100644
--- a/app/models/task.py
+++ b/app/models/task.py
@@ -445,7 +445,6 @@ class Task(models.Model):
                         nonlocal last_update
 
                         time_has_elapsed = time.time() - last_update >= 2
-
                         if time_has_elapsed:
                             testWatch.manual_log_call("Task.process.callback")
                             self.check_if_canceled()
@@ -483,13 +482,11 @@ class Task(models.Model):
                         self.status = status_codes.CANCELED
                         self.pending_action = None
                         self.save()
-                    elif self.import_url:
-                        # Imported tasks need no special action
+                    else:
+                        # Tasks with no processing node or UUID need no special action
                         self.status = status_codes.CANCELED
                         self.pending_action = None
                         self.save()
-                    else:
-                        raise NodeServerError("Cannot cancel a task that has no processing node or UUID")
 
                 elif self.pending_action == pending_actions.RESTART:
                     logger.info("Restarting {}".format(self))
diff --git a/nodeodm/external/NodeODM b/nodeodm/external/NodeODM
index 2a5d73ae..48cf7f01 160000
--- a/nodeodm/external/NodeODM
+++ b/nodeodm/external/NodeODM
@@ -1 +1 @@
-Subproject commit 2a5d73ae2dfc89fc69f24095baebe31f0f0ac340
+Subproject commit 48cf7f01b2ab96b6fdbdcb81d4ddc5828ae66c0e
diff --git a/nodeodm/models.py b/nodeodm/models.py
index b98408e9..cd7a47ad 100644
--- a/nodeodm/models.py
+++ b/nodeodm/models.py
@@ -116,15 +116,7 @@ class ProcessingNode(models.Model):
 
         opts = self.options_list_to_dict(options)
 
-        if not settings.TESTING:
-            task = api_client.create_task(images, opts, name, progress_callback)
-        else:
-            # The create_task function uses multi-threaded parallel uploads
-            # but Django tests cannot cope with DB updates from different threads
-            # (and progress_callback often updates the DB). So during testing
-            # we use the fallback function equivalent which is single-threaded
-            task = api_client.create_task_fallback(images, opts, name, progress_callback)
-
+        task = api_client.create_task(images, opts, name, progress_callback)
         return task.uuid
 
     def get_task_info(self, uuid, with_output=None):
diff --git a/requirements.txt b/requirements.txt
index b14df838..50524b6a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ pip-autoremove==0.9.0
 psycopg2==2.7.4
 psycopg2-binary==2.7.4
 PyJWT==1.5.3
-pyodm==1.5.1
+pyodm==1.5.3
 pyparsing==2.1.10
 pytz==2018.3
 rcssmin==1.0.6