From c35d7fb3c43cbd9cd8a8b859342d530b382af4fb Mon Sep 17 00:00:00 2001
From: anecdata <16617689+anecdata@users.noreply.github.com>
Date: Sat, 9 Mar 2019 13:46:25 -0600
Subject: [PATCH] Encode header string components to (ASCII) bytes.

---
 adafruit_esp32spi/adafruit_esp32spi_requests.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/adafruit_esp32spi/adafruit_esp32spi_requests.py b/adafruit_esp32spi/adafruit_esp32spi_requests.py
index 5d6f6c8..54a2103 100755
--- a/adafruit_esp32spi/adafruit_esp32spi_requests.py
+++ b/adafruit_esp32spi/adafruit_esp32spi_requests.py
@@ -173,9 +173,9 @@ def request(method, url, data=None, json=None, headers=None, stream=False):
             sock.write(b"User-Agent: Adafruit CircuitPython\r\n")
         # Iterate over keys to avoid tuple alloc
         for k in headers:
-            sock.write(k)
+            sock.write(k.encode())
             sock.write(b": ")
-            sock.write(headers[k])
+            sock.write(headers[k].encode())
             sock.write(b"\r\n")
         if json is not None:
             assert data is None