diff --git a/src/netnode.py b/src/netnode.py
--- a/src/netnode.py
+++ b/src/netnode.py
@@ -3,11 +3,11 @@ import socket
 import logging as log
 
 import config as conf
-from networkers import NetworkReader,NetworkWriter
+from networkers import NetworkReader, NetworkWriter
 from hashtree import HashTree
 
 
-lockFile = os.path.join(conf.directory,"dirty.lock")
+lock_file = os.path.join(conf.directory, "dirty.lock")
 
 
 class FailedConnection(Exception): pass
@@ -15,13 +15,13 @@ class LockedException(Exception): pass
 class IncompatibleException(Exception): pass
 
 
-class BaseConnection: # abstract
+class BaseConnection:  # abstract
 	def __init__(self):
 		self._socket = None
 		self.incoming = None
 		self.outcoming = None
 
-	def createNetworkers(self):
+	def create_networkers(self):
 		fr = self._socket.makefile(mode="rb")
 		fw = self._socket.makefile(mode="wb")
 
@@ -40,35 +40,35 @@ class BaseConnection: # abstract
 
 
 class NetNode:
-	def __init__(self, filename, treeFile=""):
+	def __init__(self, filename, tree_file=""):
 		self._incoming = None
 		self._outcoming = None
 
 		self._filename = filename
-		self._treeFile = treeFile
+		self._tree_file = tree_file
 
-		if treeFile:
-			self._tree = HashTree.load(treeFile)
+		if tree_file:
+			self._tree = HashTree.load(tree_file)
 		else:
-			self._tree = HashTree.fromFile(filename)
+			self._tree = HashTree.from_file(filename)
 
-		self._newLeaves = dict()
+		self._new_leaves = dict()
 
-	def isLocked(self):
-		return os.path.isfile(lockFile)
+	def is_locked(self):
+		return os.path.isfile(lock_file)
 
 	def _lock(self):
 		try:
-			f = open(lockFile,"x")
+			f = open(lock_file, "x")
 			f.close()
 		except FileExistsError:
 			raise LockedException()
 
 	def _unlock(self):
-		os.remove(lockFile)
+		os.remove(lock_file)
 
-	def _updateTree(self):
+	def _update_tree(self):
 		log.info("updating hash tree...")
-		self._tree.batchUpdate(self._newLeaves.items())
-		self._tree.save(self._treeFile)
+		self._tree.batch_update(self._new_leaves.items())
+		self._tree.save(self._tree_file)
 		log.info("tree updated")