From b056c58cbfff6e7bc31a52a3a9fcc7f911a2023d Mon Sep 17 00:00:00 2001
From: Lukas Holecek <hluk@email.cz>
Date: Nov 19 2019 13:46:13 +0000
Subject: Fix order of requirements in decision


Signed-off-by: Lukas Holecek <hluk@email.cz>

---

diff --git a/greenwave/policies.py b/greenwave/policies.py
index e9b6536..ecb6934 100644
--- a/greenwave/policies.py
+++ b/greenwave/policies.py
@@ -8,7 +8,7 @@ import re
 import greenwave.resources
 from werkzeug.exceptions import BadRequest
 from flask import current_app
-from greenwave.utils import remove_duplicates, to_hashable
+from greenwave.utils import remove_duplicates
 from greenwave.safe_yaml import (
     SafeYAMLBool,
     SafeYAMLChoice,
@@ -69,9 +69,6 @@ class Answer(object):
         """
         raise NotImplementedError()
 
-    def __hash__(self):
-        return hash(to_hashable(self.to_json()))
-
     def __eq__(self, other):
         try:
             json1 = self.to_json()
diff --git a/greenwave/utils.py b/greenwave/utils.py
index c979a5d..5a73d88 100644
--- a/greenwave/utils.py
+++ b/greenwave/utils.py
@@ -145,18 +145,13 @@ def right_before_this_time(timestamp):
 
 def remove_duplicates(func):
     def wrapper(*args, **kwargs):
-        rv = func(*args, **kwargs)
-        if isinstance(rv, list) and len(rv):
-            rv = list(set(rv))
-        return rv
+        value = func(*args, **kwargs)
+        if not isinstance(value, list):
+            return value
+
+        unique = []
+        for item in value:
+            if item not in unique:
+                unique.append(item)
+        return unique
     return wrapper
-
-
-def to_hashable(val):
-    if isinstance(val, list) or isinstance(val, tuple):
-        return tuple([to_hashable(v) for v in val])
-    if isinstance(val, dict):
-        return tuple([(k, to_hashable(val[k])) for k in sorted(val.keys())])
-    if isinstance(val, set):
-        return tuple(sorted(val))
-    return val