docs: Use correct pip installation command (sendgrid#964)

Akasurde · web-flow · commit eb3014bdcb3d · 2021-02-05T17:27:42.000-08:00
diff --git a/TROUBLESHOOTING.md b/TROUBLESHOOTING.md
@@ -72,7 +72,7 @@ Using pip:
 
 ```bash
 pip uninstall sendgrid
-pip install sendgrid=1.6.22
+pip install sendgrid==1.6.22
 ```
 
 Download:
