diff --git a/tools/net/ynl/lib/.gitignore b/tools/net/ynl/lib/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..c18dd8d83ceed1806b50b0aaa46beb7e335fff13
--- /dev/null
+++ b/tools/net/ynl/lib/.gitignore
@@ -0,0 +1 @@
+__pycache__/
diff --git a/tools/net/ynl/lib/nlspec.py b/tools/net/ynl/lib/nlspec.py
index e204679ad8b7eb0a14b10c93749da56d978a5adc..71da568e2c28f7b8b0497b3993541370b1f2467e 100644
--- a/tools/net/ynl/lib/nlspec.py
+++ b/tools/net/ynl/lib/nlspec.py
@@ -3,7 +3,6 @@
 import collections
 import importlib
 import os
-import traceback
 import yaml
 
 
@@ -234,8 +233,7 @@ class SpecFamily(SpecElement):
                 resolved.append(elem)
 
             if len(resolved) == 0:
-                traceback.print_exception(last_exception)
-                raise Exception("Could not resolve any spec element, infinite loop?")
+                raise last_exception
 
     def new_attr_set(self, elem):
         return SpecAttrSet(self, elem)
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 3942f24b9163569e1e7edaf945aae97fc926035a..274e9c566f61b09d093958d1d4fd89b8c9b17905 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -546,7 +546,7 @@ class Struct:
         max_val = 0
         self.attr_max_val = None
         for name, attr in self.attr_list:
-            if attr.value > max_val:
+            if attr.value >= max_val:
                 max_val = attr.value
                 self.attr_max_val = attr
             self.attrs[name] = attr