diff --git a/opendrop/client.py b/opendrop/client.py
index 0485761..e75c6b9 100644
--- a/opendrop/client.py
+++ b/opendrop/client.py
@@ -138,7 +138,9 @@ class AirDropClient:
         if self.config.record_data:
             discover_body["SenderRecordData"] = self.config.record_data
 
-        discover_plist_binary = plistlib.dumps(discover_body, fmt=plistlib.FMT_BINARY)
+        discover_plist_binary = plistlib.dumps(
+            discover_body, fmt=plistlib.FMT_BINARY  # pylint: disable=no-member
+        )
         success, response_bytes = self.send_POST("/Discover", discover_plist_binary)
         response = plistlib.loads(response_bytes)
 
@@ -183,7 +185,9 @@ class AirDropClient:
         ask_body["Files"] = [e for e in file_entries(file_path)]
         ask_body["Items"] = []
 
-        ask_binary = plistlib.dumps(ask_body, fmt=plistlib.FMT_BINARY)
+        ask_binary = plistlib.dumps(
+            ask_body, fmt=plistlib.FMT_BINARY  # pylint: disable=no-member
+        )
         success, _ = self.send_POST("/Ask", ask_binary)
 
         return success
diff --git a/opendrop/server.py b/opendrop/server.py
index 7c03821..32c47e4 100644
--- a/opendrop/server.py
+++ b/opendrop/server.py
@@ -215,7 +215,7 @@ class AirDropServerHandler(BaseHTTPRequestHandler):
             discover_answer["ReceiverRecordData"] = self.config.record_data
 
         discover_answer_binary = plistlib.dumps(
-            discover_answer, fmt=plistlib.FMT_BINARY
+            discover_answer, fmt=plistlib.FMT_BINARY  # pylint: disable=no-member
         )
 
         AirDropUtil.write_debug(
@@ -236,7 +236,9 @@ class AirDropServerHandler(BaseHTTPRequestHandler):
             "ReceiverModelName": self.config.computer_model,
             "ReceiverComputerName": self.config.computer_name,
         }
-        ask_resp_binary = plistlib.dumps(ask_response, fmt=plistlib.FMT_BINARY)
+        ask_resp_binary = plistlib.dumps(
+            ask_response, fmt=plistlib.FMT_BINARY  # pylint: disable=no-member
+        )
 
         AirDropUtil.write_debug(
             self.config, ask_resp_binary, "receive_ask_response.plist"
diff --git a/opendrop/util.py b/opendrop/util.py
index fe74b51..ee671b2 100644
--- a/opendrop/util.py
+++ b/opendrop/util.py
@@ -22,9 +22,8 @@ import ipaddress
 import os
 
 import ifaddr
-from libarchive import ffi
 from libarchive.entry import ArchiveEntry, new_archive_entry
-from libarchive.ffi import (
+from libarchive.ffi import (  # pylint: disable=no-name-in-module
     ARCHIVE_EOF,
     entry_clear,
     entry_sourcepath,
@@ -32,6 +31,7 @@ from libarchive.ffi import (
     read_next_header2,
     write_data,
     write_finish_entry,
+    write_get_bytes_per_block,
     write_header,
 )
 from libarchive.write import ArchiveWrite, new_archive_read_disk
@@ -100,7 +100,7 @@ class AirDropUtil:
         try:
             exif = dict(
                 (ExifTags.TAGS[k], v)
-                for k, v in im._getexif().items()
+                for k, v in im._getexif().items()  # pylint: disable=protected-access
                 if k in ExifTags.TAGS
             )
             angles = {3: 180, 6: 270, 8: 90}
@@ -176,7 +176,7 @@ class AbsArchiveWrite(ArchiveWrite):
         """
         write_p = self._pointer
 
-        block_size = ffi.write_get_bytes_per_block(write_p)
+        block_size = write_get_bytes_per_block(write_p)
         if block_size <= 0:
             block_size = 10240  # pragma: no cover