support/scripts/pkg-stats: fix flake8 E302 warning

Fixes:

  support/scripts/pkg-stats:57:1: E302 expected 2 blank lines, found 1

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit e03bdef0ec0a32d9c472ab050ea29f8d3ad8c35e)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/scripts/pkg-stats

@@ -54,6 +54,7 @@ RM_API_STATUS_NOT_FOUND = 4
 # because it's used by sub-processes.
 http_pool = None
 
+
 class Defconfig:
     def __init__(self, name, path):
         self.name = name