From 2d1c2399e493ef995321a1fe0074c8d61c8f345b Mon Sep 17 00:00:00 2001
From: Christian Clauss <cclauss@me.com>
Date: Sun, 15 Oct 2023 18:39:36 +0200
Subject: [PATCH 1/3] validate_solutions.py: os.getenv('GITHUB_TOKEN', '')

@tianyizheng02
---
 scripts/validate_solutions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/validate_solutions.py b/scripts/validate_solutions.py
index ca4af5261a8f..4b163a73f0d1 100755
--- a/scripts/validate_solutions.py
+++ b/scripts/validate_solutions.py
@@ -55,7 +55,7 @@ def added_solution_file_path() -> list[pathlib.Path]:
     solution_file_paths = []
     headers = {
         "Accept": "application/vnd.github.v3+json",
-        "Authorization": "token " + os.environ["GITHUB_TOKEN"],
+        f"Authorization": "token {os.getenv('GITHUB_TOKEN', '')}",
     }
     files = requests.get(get_files_url(), headers=headers).json()
     for file in files:

From be502f5ccb0db8d21271fd0f1c8a08dbc6a2f3c2 Mon Sep 17 00:00:00 2001
From: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Date: Sun, 15 Oct 2023 16:39:50 +0000
Subject: [PATCH 2/3] updating DIRECTORY.md

---
 DIRECTORY.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/DIRECTORY.md b/DIRECTORY.md
index ceee9972dd97..6213f26b6d93 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -373,6 +373,7 @@
   * [Electric Conductivity](electronics/electric_conductivity.py)
   * [Electric Power](electronics/electric_power.py)
   * [Electrical Impedance](electronics/electrical_impedance.py)
+  * [Ic 555 Timer](electronics/ic_555_timer.py)
   * [Ind Reactance](electronics/ind_reactance.py)
   * [Ohms Law](electronics/ohms_law.py)
   * [Real And Reactive Power](electronics/real_and_reactive_power.py)
@@ -622,6 +623,7 @@
   * [Is Ip V4 Address Valid](maths/is_ip_v4_address_valid.py)
   * [Is Square Free](maths/is_square_free.py)
   * [Jaccard Similarity](maths/jaccard_similarity.py)
+  * [Joint Probability Distribution](maths/joint_probability_distribution.py)
   * [Juggler Sequence](maths/juggler_sequence.py)
   * [Karatsuba](maths/karatsuba.py)
   * [Krishnamurthy Number](maths/krishnamurthy_number.py)
@@ -675,8 +677,8 @@
   * [Radians](maths/radians.py)
   * [Radix2 Fft](maths/radix2_fft.py)
   * [Remove Digit](maths/remove_digit.py)
-  * [Rkf45](maths/rkf45.py)
   * [Runge Kutta](maths/runge_kutta.py)
+  * [Runge Kutta Fehlberg 45](maths/runge_kutta_fehlberg_45.py)
   * [Segmented Sieve](maths/segmented_sieve.py)
   * Series
     * [Arithmetic](maths/series/arithmetic.py)

From 699fc1ba56bf1b0008d5ea31beac35c01ebc6d1c Mon Sep 17 00:00:00 2001
From: Christian Clauss <cclauss@me.com>
Date: Sun, 15 Oct 2023 19:07:01 +0200
Subject: [PATCH 3/3] f this

---
 scripts/validate_solutions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/validate_solutions.py b/scripts/validate_solutions.py
index 4b163a73f0d1..f27ec9ca60aa 100755
--- a/scripts/validate_solutions.py
+++ b/scripts/validate_solutions.py
@@ -55,7 +55,7 @@ def added_solution_file_path() -> list[pathlib.Path]:
     solution_file_paths = []
     headers = {
         "Accept": "application/vnd.github.v3+json",
-        f"Authorization": "token {os.getenv('GITHUB_TOKEN', '')}",
+        "Authorization": f"token {os.getenv('GITHUB_TOKEN', '')}",
     }
     files = requests.get(get_files_url(), headers=headers).json()
     for file in files: