diff --git a/minode/advertiser.py b/minode/advertiser.py
index 04e0291..16d15da 100644
--- a/minode/advertiser.py
+++ b/minode/advertiser.py
@@ -2,8 +2,7 @@ import logging
 import threading
 import time
 
-import message
-import shared
+from . import message, shared
 
 
 class Advertiser(threading.Thread):
diff --git a/minode/connection.py b/minode/connection.py
index ca9be4b..233d801 100644
--- a/minode/connection.py
+++ b/minode/connection.py
@@ -10,9 +10,7 @@ import threading
 import queue
 import time
 
-import message
-import shared
-import structure
+from . import message, shared, structure
 
 
 class Connection(threading.Thread):
@@ -367,4 +365,8 @@ class Connection(threading.Thread):
                 for vector in to_send:
                     obj = shared.objects.get(vector, None)
                     if obj:
-                        self.send_queue.put(message.Message(b'object', obj.to_bytes()))
+                        self.send_queue.put(
+                            message.Message(b'object', obj.to_bytes()))
+
+
+shared.connection = Connection
diff --git a/minode/i2p/__init__.py b/minode/i2p/__init__.py
index e69de29..e71aa66 100644
--- a/minode/i2p/__init__.py
+++ b/minode/i2p/__init__.py
@@ -0,0 +1,5 @@
+from .controller import I2PController
+from .dialer import I2PDialer
+from .listener import I2PListener
+
+__all__ = ["I2PController", "I2PDialer", "I2PListener"]
diff --git a/minode/i2p/controller.py b/minode/i2p/controller.py
index 6f5f675..0f2c89c 100644
--- a/minode/i2p/controller.py
+++ b/minode/i2p/controller.py
@@ -6,14 +6,14 @@ import socket
 import threading
 import time
 
-from i2p.util import receive_line, pub_from_priv
-import shared
+from .util import receive_line, pub_from_priv
 
 
 class I2PController(threading.Thread):
-    def __init__(self, host='127.0.0.1', port=7656, dest_priv=b''):
+    def __init__(self, state, host='127.0.0.1', port=7656, dest_priv=b''):
         super().__init__(name='I2P Controller')
 
+        self.state = state
         self.host = host
         self.port = port
         self.nick = b'MiNode_' + base64.b16encode(os.urandom(4)).lower()
@@ -70,10 +70,11 @@ class I2PController(threading.Thread):
         assert self.dest_priv
 
     def create_session(self):
-        self._send(b'SESSION CREATE STYLE=STREAM ID=' + self.nick +
-                   b' inbound.length=' + str(shared.i2p_tunnel_length).encode() +
-                   b' outbound.length=' + str(shared.i2p_tunnel_length).encode() +
-                   b' DESTINATION=' + self.dest_priv + b'\n')
+        self._send(
+            b'SESSION CREATE STYLE=STREAM ID=' + self.nick
+            + b' inbound.length=' + str(self.state.i2p_tunnel_length).encode()
+            + b' outbound.length=' + str(self.state.i2p_tunnel_length).encode()
+            + b' DESTINATION=' + self.dest_priv + b'\n')
         reply = self._receive_line().split()
         if b'RESULT=OK' not in reply:
             logging.warning(reply)
@@ -84,7 +85,7 @@ class I2PController(threading.Thread):
     def run(self):
         self.s.settimeout(1)
         while True:
-            if not shared.shutting_down:
+            if not self.state.shutting_down:
                 try:
                     msg = self._receive_line().split(b' ')
                     if msg[0] == b'PING':
diff --git a/minode/i2p/dialer.py b/minode/i2p/dialer.py
index 609cacb..2afe84c 100644
--- a/minode/i2p/dialer.py
+++ b/minode/i2p/dialer.py
@@ -3,13 +3,14 @@ import logging
 import socket
 import threading
 
-import shared
-from connection import Connection
-from i2p.util import receive_line
+from .util import receive_line
 
 
 class I2PDialer(threading.Thread):
-    def __init__(self, destination, nick, sam_host='127.0.0.1', sam_port=7656):
+    def __init__(
+        self, state, destination, nick, sam_host='127.0.0.1', sam_port=7656
+    ):
+        self.state = state
         self.sam_host = sam_host
         self.sam_port = sam_port
 
@@ -26,10 +27,12 @@ class I2PDialer(threading.Thread):
     def run(self):
         logging.debug('Connecting to {}'.format(self.destination))
         self._connect()
-        if not shared.shutting_down and self.success:
-            c = Connection(self.destination, 'i2p', self.s, 'i2p', False, self.destination)
+        if not self.state.shutting_down and self.success:
+            c = self.state.connection(
+                self.destination, 'i2p', self.s, 'i2p',
+                False, self.destination)
             c.start()
-            shared.connections.add(c)
+            self.state.connections.add(c)
 
     def _receive_line(self):
         line = receive_line(self.s)
diff --git a/minode/i2p/listener.py b/minode/i2p/listener.py
index 854c257..f8e6127 100644
--- a/minode/i2p/listener.py
+++ b/minode/i2p/listener.py
@@ -3,15 +3,14 @@ import logging
 import socket
 import threading
 
-from connection import Connection
-from i2p.util import receive_line
-import shared
+from .util import receive_line
 
 
 class I2PListener(threading.Thread):
-    def __init__(self, nick, host='127.0.0.1', port=7656):
+    def __init__(self, state, nick, host='127.0.0.1', port=7656):
         super().__init__(name='I2P Listener')
 
+        self.state = state
         self.host = host
         self.port = port
         self.nick = nick
@@ -44,23 +43,24 @@ class I2PListener(threading.Thread):
         self.s.settimeout(1)
 
     def run(self):
-        while not shared.shutting_down:
+        while not self.state.shutting_down:
             try:
                 destination = self._receive_line().split()[0]
                 logging.info('Incoming I2P connection from: {}'.format(destination.decode()))
 
                 hosts = set()
-                for c in shared.connections.copy():
+                for c in self.state.connections.copy():
                     hosts.add(c.host)
-                for d in shared.i2p_dialers.copy():
+                for d in self.state.i2p_dialers.copy():
                     hosts.add(d.destination)
                 if destination in hosts:
                     logging.debug('Rejecting duplicate I2P connection.')
                     self.s.close()
                 else:
-                    c = Connection(destination, 'i2p', self.s, 'i2p', True, destination)
+                    c = self.state.connection(
+                        destination, 'i2p', self.s, 'i2p', True, destination)
                     c.start()
-                    shared.connections.add(c)
+                    self.state.connections.add(c)
                 self.new_socket()
             except socket.timeout:
                 pass
diff --git a/minode/listener.py b/minode/listener.py
index 3cf568f..cb19c04 100644
--- a/minode/listener.py
+++ b/minode/listener.py
@@ -3,8 +3,8 @@ import logging
 import socket
 import threading
 
-from connection import Connection
-import shared
+from . import shared
+from .connection import Connection
 
 
 class Listener(threading.Thread):
diff --git a/minode/main.py b/minode/main.py
index c5e2853..407ae67 100644
--- a/minode/main.py
+++ b/minode/main.py
@@ -9,12 +9,10 @@ import pickle
 import signal
 import socket
 
-from advertiser import Advertiser
-from manager import Manager
-from listener import Listener
-import i2p.controller
-import i2p.listener
-import shared
+from . import i2p, shared
+from .advertiser import Advertiser
+from .manager import Manager
+from .listener import Listener
 
 
 def handler(s, f):
@@ -171,12 +169,15 @@ def start_i2p_listener():
             with open(shared.data_directory + 'i2p_dest_priv.key', mode='br') as file:
                 dest_priv = file.read()
                 logging.debug('Loaded I2P destination private key.')
-        except Exception as e:
-            logging.warning('Error while loading I2P destination private key.')
-            logging.warning(e)
+        except Exception:
+            logging.warning(
+                'Error while loading I2P destination private key.',
+                exc_info=True)
 
-    logging.info('Starting I2P Controller and creating tunnels. This may take a while.')
-    i2p_controller = i2p.controller.I2PController(shared.i2p_sam_host, shared.i2p_sam_port, dest_priv)
+    logging.info(
+        'Starting I2P Controller and creating tunnels. This may take a while.')
+    i2p_controller = i2p.I2PController(
+        shared, shared.i2p_sam_host, shared.i2p_sam_port, dest_priv)
     i2p_controller.start()
 
     shared.i2p_dest_pub = i2p_controller.dest_pub
@@ -186,7 +187,7 @@ def start_i2p_listener():
     logging.info('I2P session nick: {}'.format(shared.i2p_session_nick.decode()))
 
     logging.info('Starting I2P Listener')
-    i2p_listener = i2p.listener.I2PListener(i2p_controller.nick)
+    i2p_listener = i2p.I2PListener(shared, i2p_controller.nick)
     i2p_listener.start()
 
     if not shared.i2p_transient:
diff --git a/minode/manager.py b/minode/manager.py
index bcde093..ad6c701 100644
--- a/minode/manager.py
+++ b/minode/manager.py
@@ -7,11 +7,9 @@ import random
 import threading
 import time
 
-from connection import Connection
-from i2p.dialer import I2PDialer
-import pow
-import shared
-import structure
+from . import pow, shared, structure
+from .connection import Connection
+from .i2p import I2PDialer
 
 
 class Manager(threading.Thread):
@@ -107,7 +105,10 @@ class Manager(threading.Thread):
             if addr[1] == 'i2p' and shared.i2p_enabled:
                 if shared.i2p_session_nick and addr[0] != shared.i2p_dest_pub:
                     try:
-                        d = I2PDialer(addr[0], shared.i2p_session_nick, shared.i2p_sam_host, shared.i2p_sam_port)
+                        d = I2PDialer(
+                            shared,
+                            addr[0], shared.i2p_session_nick,
+                            shared.i2p_sam_host, shared.i2p_sam_port)
                         d.start()
                         hosts.add(d.destination)
                         shared.i2p_dialers.add(d)
diff --git a/minode/message.py b/minode/message.py
index a4ddbd5..33e723c 100644
--- a/minode/message.py
+++ b/minode/message.py
@@ -4,8 +4,7 @@ import hashlib
 import struct
 import time
 
-import shared
-import structure
+from . import shared, structure
 
 
 class Header(object):
diff --git a/minode/pow.py b/minode/pow.py
index ab73af7..98fedd1 100644
--- a/minode/pow.py
+++ b/minode/pow.py
@@ -7,7 +7,7 @@ import struct
 import threading
 import time
 
-import structure
+from . import shared, structure
 
 
 def _pow_worker(target, initial_hash, q):
diff --git a/minode/structure.py b/minode/structure.py
index 9c2adae..68f47db 100644
--- a/minode/structure.py
+++ b/minode/structure.py
@@ -6,7 +6,7 @@ import struct
 import socket
 import time
 
-import shared
+from . import shared
 
 
 class VarInt(object):