diff --git a/tools/donate-cpu.py b/tools/donate-cpu.py
index 89aa45ff6..6e0cf68df 100755
--- a/tools/donate-cpu.py
+++ b/tools/donate-cpu.py
@@ -150,7 +150,7 @@ while True:
         sys.exit(1)
     for ver in cppcheck_versions:
         if ver == 'head':
-            if not compile(cppcheck_path, jobs):
+            if not compile_cppcheck(cppcheck_path, jobs):
                 print('Failed to compile Cppcheck, retry later')
                 sys.exit(1)
         elif not compile_version(work_path, jobs, ver):
diff --git a/tools/donate_cpu_lib.py b/tools/donate_cpu_lib.py
index ca81d4ada..a24f4073d 100644
--- a/tools/donate_cpu_lib.py
+++ b/tools/donate_cpu_lib.py
@@ -13,7 +13,7 @@ import tarfile
 # Version scheme (MAJOR.MINOR.PATCH) should orientate on "Semantic Versioning" https://semver.org/
 # Every change in this script should result in increasing the version number accordingly (exceptions may be cosmetic
 # changes)
-CLIENT_VERSION = "1.1.41"
+CLIENT_VERSION = "1.1.42"
 
 
 def check_requirements():
@@ -88,7 +88,7 @@ def compile_version(work_path, jobs, version):
     return True
 
 
-def compile(cppcheck_path, jobs):
+def compile_cppcheck(cppcheck_path, jobs):
     print('Compiling Cppcheck..')
     try:
         os.chdir(cppcheck_path)
@@ -127,7 +127,7 @@ def get_packages_count(server_address):
     return packages
 
 
-def get_package(server_address, package_index = None):
+def get_package(server_address, package_index=None):
     print('Connecting to server to get assigned work..')
     package = b''
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -237,12 +237,6 @@ def has_include(path, includes):
                 else:
                     f = open(filename, 'rt', errors='ignore')
                 filedata = f.read()
-                try:
-                    # Python2 needs to decode the data first
-                    filedata = filedata.decode(encoding='utf-8', errors='ignore')
-                except AttributeError:
-                    # Python3 directly reads the data into a string object that has no decode()
-                    pass
                 f.close()
                 if re.search(re_expr, filedata, re.MULTILINE):
                     return True
@@ -291,7 +285,7 @@ def scan_package(work_path, cppcheck_path, jobs, libraries):
         sig_num = int(stderr[sig_start_pos:stderr.find(' ', sig_start_pos)])
     print('cppcheck finished with ' + str(returncode) + ('' if sig_num == -1 else ' (signal ' + str(sig_num) + ')'))
     # generate stack trace for SIGSEGV, SIGABRT, SIGILL, SIGFPE, SIGBUS
-    if returncode in (-11,-6,-4,-8,-7) or sig_num in (11,6,4,8,7):
+    if returncode in (-11, -6, -4, -8, -7) or sig_num in (11, 6, 4, 8, 7):
         print('Crash!')
         stacktrace = ''
         if cppcheck_path == 'cppcheck':
@@ -393,13 +387,13 @@ def diff_results(work_path, ver1, results1, ver2, results2):
 
 
 def send_all(connection, data):
-    bytes = data.encode('ascii', 'ignore')
-    while bytes:
-        num = connection.send(bytes)
-        if num < len(bytes):
-            bytes = bytes[num:]
+    bytes_ = data.encode('ascii', 'ignore')
+    while bytes_:
+        num = connection.send(bytes_)
+        if num < len(bytes_):
+            bytes_ = bytes_[num:]
         else:
-            bytes = None
+            bytes_ = None
 
 
 def upload_results(package, results, server_address):
diff --git a/tools/test-my-pr.py b/tools/test-my-pr.py
index 13834e4e6..3c762c315 100755
--- a/tools/test-my-pr.py
+++ b/tools/test-my-pr.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 
 # Run this script from your branch with proposed Cppcheck patch to verify your
 # patch against current master. It will compare output of testing bunch of
@@ -49,12 +50,12 @@ if __name__ == "__main__":
         print('Failed to switch to common ancestor of your branch and master')
         sys.exit(1)
 
-    if not lib.compile(master_dir, jobs):
+    if not lib.compile_cppcheck(master_dir, jobs):
         print('Failed to compile master of Cppcheck')
         sys.exit(1)
 
     print('Testing your PR from directory: ' + your_repo_dir)
-    if not lib.compile(your_repo_dir, jobs):
+    if not lib.compile_cppcheck(your_repo_dir, jobs):
         print('Failed to compile your version of Cppcheck')
         sys.exit(1)
 
@@ -118,7 +119,7 @@ if __name__ == "__main__":
                 who = 'Master'
             else:
                 who = 'Your'
-            crashes.append(package + ' ' +  who)
+            crashes.append(package + ' ' + who)
 
         with open(result_file, 'a') as myfile:
             myfile.write(package + '\n')