diff --git a/faker/providers/color/color.py b/faker/providers/color/color.py
index 47b64e0c26..756942bfb0 100644
--- a/faker/providers/color/color.py
+++ b/faker/providers/color/color.py
@@ -145,7 +145,7 @@ def __init__(self, generator: Optional["Generator"] = None, seed: Optional[SeedT
             self.random = generator.random
         else:
             self.seed = seed if seed else random.randint(0, sys.maxsize)
-            self.random = random.Random(self.seed)
+            self.random = random.Random(int(self.seed))
 
     def generate(
         self,
diff --git a/faker/providers/python/__init__.py b/faker/providers/python/__init__.py
index 669efdad24..d601c8d4eb 100644
--- a/faker/providers/python/__init__.py
+++ b/faker/providers/python/__init__.py
@@ -285,7 +285,7 @@ def pydecimal(
         self,
         left_digits: Optional[int] = None,
         right_digits: Optional[int] = None,
-        positive: bool = False,
+        positive: Optional[bool] = None,
         min_value: Optional[BasicNumber] = None,
         max_value: Optional[BasicNumber] = None,
     ) -> Decimal:
@@ -320,7 +320,10 @@ def pydecimal(
         elif max_value is not None and max_value <= 0:
             sign = "-"
         else:
-            sign = "+" if positive else self.random_element(("+", "-"))
+            if positive is None:
+                sign = self.random_element(("+", "-"))
+            else:
+                sign = "+" if positive else "-"
 
         if sign == "+":
             if max_value is not None: