From 1faee1b55063b167a5130b36f7669d71c607ddc5 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Sat, 22 Jun 2019 22:20:50 +0000
Subject: [PATCH] Stop using the dataclass module

---
 CHANGELOG.md   |  1 +
 bowl/config.py | 14 +++++++++-----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b222e0..bd472d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Next version
 
 - Fix indentation of multi-line messages
+- Stop using dataclass (for backwards compatibility with Python 3.6)
 
 ## 1.0.0 (2019-06-21)
 
diff --git a/bowl/config.py b/bowl/config.py
index a25f599..19fb1ec 100644
--- a/bowl/config.py
+++ b/bowl/config.py
@@ -1,4 +1,3 @@
-from dataclasses import dataclass, field
 from enum import Enum, auto
 from typing import Any, Callable, Dict, Iterable, List, Optional, Tuple
 
@@ -62,12 +61,17 @@ class Kind(Enum):
 
 Condition = Callable[[Any], bool]
 
-@dataclass
 class Option:
 
-    kind: Kind
-    default: Any
-    conditions: Iterable[Tuple[Condition, str]] = field(default_factory=list)
+    def __init__(self,
+            kind: Kind,
+            default: Any,
+            conditions: Iterable[Tuple[Condition, str]] = frozenset(),
+            ) -> None:
+
+        self.kind = kind
+        self.default = default
+        self.conditions = conditions
 
     def check_valid(self, value: Any) -> None:
         if not self.kind.matches(value):