diff --git a/ns/__init__.py b/ns/__init__.py
index 8879c6c..4ad67eb 100644
--- a/ns/__init__.py
+++ b/ns/__init__.py
@@ -1 +1 @@
-__version__ = "0.3.7"
+__version__ = "0.3.8"
diff --git a/ns/packet/packet.py b/ns/packet/packet.py
index 5947474..8a8adc2 100644
--- a/ns/packet/packet.py
+++ b/ns/packet/packet.py
@@ -5,15 +5,16 @@
 
 class Packet:
     """
-        Packets in ns.py are generally created by packet generators, and will run through
-        a queue at an output port.
+        Packets in ns.py are generally created by packet generators, and will
+        run through a queue at an output port.
 
-        Key fields include: generation time, size, flow_id, packet id, source, and
-        destination. We do not model upper layer protocols, i.e., packets don't contain
-        a payload. The size (in bytes) field is used to determine its transmission time.
+        Key fields include: generation time, size, flow_id, packet id, source,
+        and destination. We do not model upper layer protocols, i.e., packets
+        don't contain a payload. The size (in bytes) field is used to determine
+        its transmission time.
 
-        We use a float to represent the size of the packet in bytes so that we can compare
-        to ideal M/M/1 queues.
+        We use a float to represent the size of the packet in bytes so that we
+        can compare to ideal M/M/1 queues.
 
         Parameters
         ----------