From 481ea55d05e22f67a0aec98f196bad11a3376c66 Mon Sep 17 00:00:00 2001
From: Payton Ward <72841140+paytonward6@users.noreply.github.com>
Date: Fri, 21 Nov 2025 10:15:39 -0600
Subject: [PATCH] alpr_clusters.py - replace numpy with stdlib (#58)

---
 serverless/alpr_clusters/src/alpr_clusters.py | 6 +++---
 serverless/alpr_clusters/src/requirements.txt | 1 -
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/serverless/alpr_clusters/src/alpr_clusters.py b/serverless/alpr_clusters/src/alpr_clusters.py
index 23fa7e3..d8135f6 100644
--- a/serverless/alpr_clusters/src/alpr_clusters.py
+++ b/serverless/alpr_clusters/src/alpr_clusters.py
@@ -5,7 +5,7 @@ from typing import Any
 import boto3
 import os
 import time
-import numpy as np
+import math
 import requests
 import re
 from concurrent.futures import ThreadPoolExecutor
@@ -58,8 +58,8 @@ def segment_regions(nodes: Any, tile_size_degrees: int) -> dict[str, list[Any]]:
     tile_dict = defaultdict(list)
     for node in nodes:
         lat, lon = node["lat"], node["lon"]
-        tile_lat = int(np.floor(lat / tile_size_degrees)) * tile_size_degrees
-        tile_lon = int(np.floor(lon / tile_size_degrees)) * tile_size_degrees
+        tile_lat = math.floor(lat / tile_size_degrees) * tile_size_degrees
+        tile_lon = math.floor(lon / tile_size_degrees) * tile_size_degrees
         bare_node = {
             "id": node["id"],
             "lat": lat,
diff --git a/serverless/alpr_clusters/src/requirements.txt b/serverless/alpr_clusters/src/requirements.txt
index 42b68af..ea948fa 100644
--- a/serverless/alpr_clusters/src/requirements.txt
+++ b/serverless/alpr_clusters/src/requirements.txt
@@ -1,3 +1,2 @@
 boto3
 requests
-numpy