diff --git a/src/benchmark.py b/src/benchmark.py
--- a/src/benchmark.py
+++ b/src/benchmark.py
@@ -6,49 +6,49 @@ from hashtree import HashTree
 
 
 def timeF(f):
-	start=time()
+	start = time()
 	f()
-	end=time()
-	print((end-start),"s")
+	end = time()
+	print((end-start), "s")
 
 
 def fullRead():
-	block=True
-	with open("/home/laman/ext2.img",mode="rb") as f:
+	block = True
+	with open("/home/laman/ext2.img", mode="rb") as f:
 		while block:
-			block=f.read(HashTree.BLOCK_SIZE)
+			block = f.read(HashTree.BLOCK_SIZE)
 
 
 def selectedRead():
 	with open("/home/laman/blocks.txt") as f:
-		blocks=[int(x) for x in f]
-	with open("/home/laman/ext2.img",mode="rb") as f:
-		i1=-1
+		blocks = [int(x) for x in f]
+	with open("/home/laman/ext2.img", mode="rb") as f:
+		i1 = -1
 		for i2 in blocks:
 			if i1+1!=i2:
 				f.seek(i2*HashTree.BLOCK_SIZE)
-			block=f.read(HashTree.BLOCK_SIZE)
-			i1=i2
+			block = f.read(HashTree.BLOCK_SIZE)
+			i1 = i2
 
 
 def lessSelectedRead():
 	with open("/home/laman/blocks.txt") as f:
-		blocks=[int(x) for x in f]
-	with open("/home/laman/ext2.img",mode="rb") as f:
-		i1=-1
+		blocks = [int(x) for x in f]
+	with open("/home/laman/ext2.img", mode="rb") as f:
+		i1 = -1
 		for i2 in blocks:
 			if i2<=i1+8:
-				block=f.read(HashTree.BLOCK_SIZE*(i2-i1))
+				block = f.read(HashTree.BLOCK_SIZE*(i2-i1))
 			else:
 				f.seek(i2*HashTree.BLOCK_SIZE)
-				block=f.read(HashTree.BLOCK_SIZE)
-			i1=i2
+				block = f.read(HashTree.BLOCK_SIZE)
+			i1 = i2
 
 
 def shortSockets():
 	def _server():
-		serverSock=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-		serverSock.bind(("",12329))
+		serverSock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+		serverSock.bind(("", 12329))
 		serverSock.listen(1)
 
 		for i in range(10000):
@@ -61,7 +61,7 @@ def shortSockets():
 
 	def _client():
 		for i in range(10000):
-			sock=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
+			sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 			sock.connect(("127.0.0.1", 12329))
 			with sock.makefile(mode="rb") as fr, sock.makefile(mode="wb") as fw:
 				fw.write(b"x"*4096+b"\n")
@@ -69,9 +69,9 @@ def shortSockets():
 			sock.shutdown(socket.SHUT_RDWR)
 			sock.close()
 
-	s=threading.Thread(target=_server)
+	s = threading.Thread(target=_server)
 	s.start()
-	c=threading.Thread(target=_client)
+	c = threading.Thread(target=_client)
 	c.start()
 	s.join()
 	c.join()
@@ -79,8 +79,8 @@ def shortSockets():
 
 def longSockets():
 	def _server():
-		serverSock=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-		serverSock.bind(("",12330))
+		serverSock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+		serverSock.bind(("", 12330))
 		serverSock.listen(1)
 		sock, address = serverSock.accept()
 
@@ -93,7 +93,7 @@ def longSockets():
 		serverSock.close()
 
 	def _client():
-		sock=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
+		sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 		sock.connect(("127.0.0.1", 12330))
 		with sock.makefile(mode="rb") as fr, sock.makefile(mode="wb") as fw:
 			for i in range(10000):
@@ -102,9 +102,9 @@ def longSockets():
 		sock.shutdown(socket.SHUT_RDWR)
 		sock.close()
 
-	s=threading.Thread(target=_server)
+	s = threading.Thread(target=_server)
 	s.start()
-	c=threading.Thread(target=_client)
+	c = threading.Thread(target=_client)
 	c.start()
 	s.join()
 	c.join()