format: use autopep8

Use autopep8 for coding format, and only for whitespace changes. This
change drops use of tabs in favor of spaces.

Doesn't use autopep8 --aggresive option.

Format command:

$ autopep8 --inline --recursive .

When using git-blame, use --ignore-rev in order to ignore this
reformatting commit.

1 files changed, 20 insertions, 17 deletions

diff --git a/cli/utils.py b/cli/utils.py
index 208be68..b267207 100644
--- a/cli/utils.py
+++ b/cli/utils.py
@@ -7,25 +7,28 @@
 
 import json
 
+
 def scope_lookup(scope_id, scope_type, d):
-	if scope_id == d.get('id') and scope_type == d.get('type'):
-		return d
-	for scope in d['scope']:
-		lookup = scope_lookup(scope_id, scope_type, scope)
-		if lookup is not None:
-			return lookup
-	return None
+    if scope_id == d.get('id') and scope_type == d.get('type'):
+        return d
+    for scope in d['scope']:
+        lookup = scope_lookup(scope_id, scope_type, scope)
+        if lookup is not None:
+            return lookup
+    return None
+
 
 def ips_in_scope(scope):
-	if scope is None:
-		return []
-	if 'ip' in scope:
-		return [scope['ip']]
-	ips = []
-	for child in scope['scope']:
-		ips += ips_in_scope(child)
-	return ips
+    if scope is None:
+        return []
+    if 'ip' in scope:
+        return [scope['ip']]
+    ips = []
+    for child in scope['scope']:
+        ips += ips_in_scope(child)
+    return ips
+
 
 def print_json(text):
-	payload = json.loads(text)
-	print(json.dumps(payload, sort_keys=True, indent=2))
+    payload = json.loads(text)
+    print(json.dumps(payload, sort_keys=True, indent=2))