diff --git a/tests/test_registry.py b/tests/test_registry.py
index c0e4e879..2fcd82d6 100644
--- a/tests/test_registry.py
+++ b/tests/test_registry.py
@@ -66,7 +66,7 @@ def __test_context ():
                 successful_count = successful_count + 1
             except Exception as e:
                 logger.debug (f"App {app_id} failed. {e}")
-                traceback.print_exc ()
+                traceback.print_exc()
                 failed.append (app_id)
                 failed_count = failed_count + 1
         logger.info (f"{product.upper()} had {successful_count} successful apps and {failed_count} failed apps.")
diff --git a/tycho/__init__.py b/tycho/__init__.py
index d0a4ce44..261292f2 100644
--- a/tycho/__init__.py
+++ b/tycho/__init__.py
@@ -1,2 +1,2 @@
-VERSION = "1.13.0"
+VERSION = "1.13.1"
 
diff --git a/tycho/actions.py b/tycho/actions.py
index cd257bba..487ffc8e 100644
--- a/tycho/actions.py
+++ b/tycho/actions.py
@@ -54,7 +54,7 @@ def validate(self, request, component):
             jsonschema.validate(request, to_validate)
         except jsonschema.exceptions.ValidationError as error:
             logger.error(f"ERROR: {str(error)}")
-            traceback.print_exc (error)
+            traceback.print_exc()
 
     def create_response(self, result=None, status='success', message='', exception=None):
         """ Create a response. Handle formatting and modifiation of status for exceptions. """
diff --git a/tycho/api.py b/tycho/api.py
index 63111aae..d8274914 100644
--- a/tycho/api.py
+++ b/tycho/api.py
@@ -81,13 +81,13 @@ def validate (self, request, component):
             jsonschema.validate(request.json, to_validate)
         except jsonschema.exceptions.ValidationError as error:
             app.logger.error (f"ERROR: {str(error)}")
-            traceback.print_exc (error)
+            traceback.print_exc()
             abort(Response(str(error), 400))
 
     def create_response (self, result=None, status='success', message='', exception=None):
         """ Create a response. Handle formatting and modifiation of status for exceptions. """
         if exception:
-            traceback.print_exc ()
+            traceback.print_exc()
             status='error'
             exc_type, exc_value, exc_traceback = sys.exc_info()
             message = f"{exception.args[0]} {''.join (exception.args[1])}" \
diff --git a/tycho/client.py b/tycho/client.py
index a0657d85..e8479afd 100644
--- a/tycho/client.py
+++ b/tycho/client.py
@@ -325,7 +325,7 @@ def down (self, names):
                 else:
                     print (json.dumps (response, indent=2))
         except Exception as e:
-            traceback.print_exc (e)
+            traceback.print_exc()
 
     def patch(self, mod_items):
         """
@@ -424,7 +424,7 @@ def get_client (self, name="tycho-api", namespace="default", default_url="http:/
                         url = f"http://{ip}:{port}"
                     except ValueError as e:
                         logger.error ("unable to get minikube ip address")
-                        traceback.print_exc (e)
+                        traceback.print_exc()
             print(f"URL: {url}")
         except Exception as e:
             url = default_url
diff --git a/tycho/config.py b/tycho/config.py
index 18b3b926..cff5d854 100644
--- a/tycho/config.py
+++ b/tycho/config.py
@@ -35,7 +35,7 @@ def __init__(self, config="conf/tycho.yaml"):
                     self.conf['tycho']['compute']['platform']['kube']['ip'] = ip
                 except ValueError as e:
                     logger.error ("unable to get minikube ip address")
-                    traceback.print_exc (e)
+                    traceback.print_exc()
 
     def __setitem__(self, key, val):
         self.conf.__setitem__(key, val)
diff --git a/tycho/kube.py b/tycho/kube.py
index 912dad2c..2595a4a7 100644
--- a/tycho/kube.py
+++ b/tycho/kube.py
@@ -158,7 +158,7 @@ def start (self, system, namespace="default"):
                             break
                     break
             except Exception as e:
-                traceback.print_exc (e)
+                traceback.print_exc()
                 exc_type, exc_value, exc_traceback = sys.exc_info()
                 text = traceback.format_exception(
                     exc_type, exc_value, exc_traceback)
@@ -367,7 +367,7 @@ def delete (self, name, namespace="default"):
                     namespace=namespace)
             
         except ApiException as e:
-            traceback.print_exc (e)
+            traceback.print_exc()
             exc_type, exc_value, exc_traceback = sys.exc_info()
             text = traceback.format_exception(
                 exc_type, exc_value, exc_traceback)