diff --git a/monero/address.py b/monero/address.py
index 1e1a060..99d26d1 100644
--- a/monero/address.py
+++ b/monero/address.py
@@ -1,12 +1,18 @@
 from binascii import hexlify, unhexlify
 import re
-import struct
 from sha3 import keccak_256
+import struct
+import sys
 
 from . import base58
 from . import ed25519
 from . import numbers
 
+if sys.version_info < (3,): # pragma: no cover
+    _str_types = (str, bytes, unicode)
+else:                       # pragma: no cover
+    _str_types = (str, bytes)
+
 _ADDR_REGEX = re.compile(r'^[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{95}$')
 _IADDR_REGEX = re.compile(r'^[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{106}$')
 
@@ -58,7 +64,7 @@ class BaseAddress(object):
     def __eq__(self, other):
         if isinstance(other, BaseAddress):
             return str(self) == str(other)
-        if isinstance(other, str):
+        if isinstance(other, _str_types):
             return str(self) == other
         return super(BaseAddress, self).__eq__(other)
 
diff --git a/monero/ed25519.py b/monero/ed25519.py
index 55de635..1137d86 100644
--- a/monero/ed25519.py
+++ b/monero/ed25519.py
@@ -9,7 +9,7 @@ import operator as _oper
 import sys as _sys
 
 # Set up byte handling for Python 2 or 3
-if _sys.version_info.major == 2:
+if _sys.version_info.major == 2:    # pragma: no cover
     int2byte = chr
     range = xrange
 
@@ -18,7 +18,7 @@ if _sys.version_info.major == 2:
 
     def intlist2bytes(l):
         return b"".join(chr(c) for c in l)
-else:
+else:                               # pragma: no cover
     indexbytes = _oper.getitem
     intlist2bytes = bytes
     int2byte = _oper.methodcaller("to_bytes", 1, "big")
@@ -27,9 +27,6 @@ b = 256
 q = 2**255 - 19
 l = 2**252 + 27742317777372353535851937790883648493
 
-def H(m):
-    return hashlib.sha512(m).digest()
-
 def expmod(b, e, m):
     if e == 0: return 1
     t = expmod(b, e//2, m)**2 % m
@@ -103,16 +100,6 @@ def encodepoint(P):
 def bit(h, i):
     return (indexbytes(h, i//8) >> (i%8)) & 1
 
-def publickey(sk):
-    h = H(sk)
-    a = 2**(b-2) + sum(2**i * bit(h, i) for i in range(3, b-2))
-    A = scalarmult(B, a)
-    return encodepoint(A)
-
-def Hint(m):
-    h = H(m)
-    return sum(2**i * bit(h, i) for i in range(2*b))
-
 def isoncurve(P):
     x = P[0]
     y = P[1]
@@ -130,6 +117,19 @@ def decodepoint(s):
     return P
 
 # These are unused but let's keep them
+#def H(m):
+#    return hashlib.sha512(m).digest()
+#
+#def Hint(m):
+#    h = H(m)
+#    return sum(2**i * bit(h, i) for i in range(2*b))
+#
+#def publickey(sk):
+#    h = H(sk)
+#    a = 2**(b-2) + sum(2**i * bit(h, i) for i in range(3, b-2))
+#    A = scalarmult(B, a)
+#    return encodepoint(A)
+#
 #def signature(m, sk, pk):
 #    h = H(sk)
 #    a = 2**(b-2) + sum(2**i * bit(h, i) for i in range(3, b-2))
diff --git a/monero/numbers.py b/monero/numbers.py
index 0590e1f..c2c9973 100644
--- a/monero/numbers.py
+++ b/monero/numbers.py
@@ -3,10 +3,10 @@ import sys
 
 PICONERO = Decimal('0.000000000001')
 
-if sys.version_info < (3,):
+if sys.version_info < (3,): # pragma: no cover
     _integer_types = (int, long,)
     _str_types = (str, bytes, unicode)
-else:
+else:                       # pragma: no cover
     _integer_types = (int,)
     _str_types = (str, bytes)
 
diff --git a/monero/transaction.py b/monero/transaction.py
index 73afeae..17d74f5 100644
--- a/monero/transaction.py
+++ b/monero/transaction.py
@@ -86,9 +86,9 @@ class Transaction(object):
         return self.hash
 
 
-if sys.version_info < (3,):
+if sys.version_info < (3,): # pragma: no cover
     _str_types = (str, bytes, unicode)
-else:
+else:                       # pragma: no cover
     _str_types = (str, bytes)
 
 
diff --git a/setup.py b/setup.py
index 6a055f0..cca618b 100644
--- a/setup.py
+++ b/setup.py
@@ -42,13 +42,15 @@ setup(
     author_email = 'michal@salaban.info',
     license = 'BSD-3-Clause',
     classifiers = [
-        'Development Status :: 2 - Pre-Alpha',
+        'Development Status :: 4 - Beta',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
+        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
+        'Topic :: Software Development :: Libraries :: Python Modules',
     ],
     keywords = 'monero cryptocurrency',
     test_suite='tests',