Describe the bug
Listing pods in 0.7.3 fails for me after switching the namespace.

To Reproduce
Steps to reproduce the behavior:

1. Start k9s 0.7.3
2. See list of pods in default namspace
3. Enter :ns and select a different namespace
4. See empty pod list

Expected behavior
List pods of selected namespace

Screenshots
After startup, I get the usual list of pods from the default namespace:

After switching the namespace, the list is empty:

Even if the selected namespace is default again:

Versions (please complete the following information):

• OS: Win10 / WSL / ZSH
• K9s: 0.7.3
• K8s: v1.14.2