From a1d11b9cb8ed8e4f3dc1e2c6ef94818823647487 Mon Sep 17 00:00:00 2001
From: Frank <33519926+Conengmo@users.noreply.github.com>
Date: Sun, 25 Dec 2022 13:12:23 +0100
Subject: [PATCH] fix regressions

---
 folium/features.py      | 2 +-
 folium/vector_layers.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/folium/features.py b/folium/features.py
index 80ce6a185..748b631db 100644
--- a/folium/features.py
+++ b/folium/features.py
@@ -1446,7 +1446,7 @@ def __init__(
         columns: Optional[Sequence[Any]] = None,
         key_on: Optional[str] = None,
         bins: Union[int, Sequence[float]] = 6,
-        fill_color: str = "blue",
+        fill_color: Optional[str] = None,
         nan_fill_color: str = "black",
         fill_opacity: float = 0.6,
         nan_fill_opacity: Optional[float] = None,
diff --git a/folium/vector_layers.py b/folium/vector_layers.py
index bca9a9f15..d2b641c22 100644
--- a/folium/vector_layers.py
+++ b/folium/vector_layers.py
@@ -325,7 +325,7 @@ class Circle(Marker):
 
     def __init__(
         self,
-        location: Sequence[float],
+        location: Optional[Sequence[float]] = None,
         radius: float = 50,
         popup: Union[Popup, str, None] = None,
         tooltip: Union[Tooltip, str, None] = None,