diff --git a/docs/third_party_packages.md b/docs/third_party_packages.md
index 2adb53ae56..3d5f4778ec 100644
--- a/docs/third_party_packages.md
+++ b/docs/third_party_packages.md
@@ -8,7 +8,7 @@ As HTTPX usage grows, there is an expanding community of developers building too
 
 ### Hishel
 
-[GitHub](https://github.com/karosis88/hishel) - [Documentation](https://karosis88.github.io/hishel/)
+[GitHub](https://github.com/karpetrosyan/hishel) - [Documentation](https://hishel.com/)
 
 An elegant HTTP Cache implementation for HTTPX and HTTP Core.
 
diff --git a/httpx/_auth.py b/httpx/_auth.py
index 27dc7f743b..c2c38f3945 100644
--- a/httpx/_auth.py
+++ b/httpx/_auth.py
@@ -1,5 +1,4 @@
 import hashlib
-import netrc
 import os
 import re
 import time
@@ -148,6 +147,10 @@ class NetRCAuth(Auth):
     """
 
     def __init__(self, file: typing.Optional[str] = None):
+        # Lazily import 'netrc'.
+        # There's no need for us to load this module unless 'NetRCAuth' is being used.
+        import netrc
+
         self._netrc_info = netrc.netrc(file)
 
     def auth_flow(self, request: Request) -> typing.Generator[Request, Response, None]:
diff --git a/httpx/_multipart.py b/httpx/_multipart.py
index 446f4ad2df..6d5baa8639 100644
--- a/httpx/_multipart.py
+++ b/httpx/_multipart.py
@@ -1,4 +1,3 @@
-import binascii
 import io
 import os
 import typing
@@ -200,7 +199,7 @@ def __init__(
         boundary: typing.Optional[bytes] = None,
     ) -> None:
         if boundary is None:
-            boundary = binascii.hexlify(os.urandom(16))
+            boundary = os.urandom(16).hex().encode("ascii")
 
         self.boundary = boundary
         self.content_type = "multipart/form-data; boundary=%s" % boundary.decode(