diff --git a/rsrcfork/__main__.py b/rsrcfork/__main__.py
index 5545c07..6019376 100644
--- a/rsrcfork/__main__.py
+++ b/rsrcfork/__main__.py
@@ -1,9 +1,7 @@
 import argparse
 import enum
 import itertools
-import pathlib
 import sys
-import textwrap
 import typing
 
 from . import __version__, api, compress
diff --git a/rsrcfork/compress/common.py b/rsrcfork/compress/common.py
index 43de94f..6d16870 100644
--- a/rsrcfork/compress/common.py
+++ b/rsrcfork/compress/common.py
@@ -41,7 +41,7 @@ class CompressedHeaderInfo(object):
 		try:
 			signature, header_length, compression_type, decompressed_length, remainder = STRUCT_COMPRESSED_HEADER.unpack(stream.read(STRUCT_COMPRESSED_HEADER.size))
 		except struct.error:
-			raise DecompressError(f"Invalid header")
+			raise DecompressError("Invalid header")
 		if signature != COMPRESSED_SIGNATURE:
 			raise DecompressError(f"Invalid signature: {signature!r}, expected {COMPRESSED_SIGNATURE!r}")
 		if header_length != 0x12:
diff --git a/rsrcfork/compress/dcmp0.py b/rsrcfork/compress/dcmp0.py
index c4c12a6..cfe0f49 100644
--- a/rsrcfork/compress/dcmp0.py
+++ b/rsrcfork/compress/dcmp0.py
@@ -110,7 +110,7 @@ def decompress_stream_inner(header_info: common.CompressedHeaderInfo, stream: ty
 				# Compact representation of (part of) a segment loader jump table, as used in 'CODE' (0) resources.
 				
 				if debug:
-					print(f"Segment loader jump table entries")
+					print("Segment loader jump table entries")
 				
 				# All generated jump table entries have the same segment number.
 				segment_number_int = common.read_variable_length_integer(stream)
@@ -174,7 +174,7 @@ def decompress_stream_inner(header_info: common.CompressedHeaderInfo, stream: ty
 				# A sequence of 16-bit signed integers, with each integer encoded as a difference relative to the previous integer. The first integer is stored explicitly.
 				
 				if debug:
-					print(f"Difference-encoded 16-bit integers")
+					print("Difference-encoded 16-bit integers")
 				
 				# The first integer is stored explicitly, as a signed value.
 				initial_int = common.read_variable_length_integer(stream)
@@ -206,7 +206,7 @@ def decompress_stream_inner(header_info: common.CompressedHeaderInfo, stream: ty
 				# A sequence of 32-bit signed integers, with each integer encoded as a difference relative to the previous integer. The first integer is stored explicitly.
 				
 				if debug:
-					print(f"Difference-encoded 32-bit integers")
+					print("Difference-encoded 32-bit integers")
 				
 				# The first integer is stored explicitly, as a signed value.
 				initial_int = common.read_variable_length_integer(stream)