diff --git a/jedi/api/__init__.py b/jedi/api/__init__.py
index ba8b5ed6..75502259 100644
--- a/jedi/api/__init__.py
+++ b/jedi/api/__init__.py
@@ -444,7 +444,7 @@ class Script(object):
                 import_name = user_stmt.get_defined_names()
                 # imports have only one name
                 if not user_stmt.star \
-                        and name_part == import_name[0].names[-1]:
+                        and unicode(name_part) == unicode(import_name[0].names[-1]):
                     definitions.append(import_name[0])
         else:
             stmt = self._get_under_cursor_stmt(goto_path)
@@ -458,7 +458,7 @@ class Script(object):
                     for name in user_stmt.get_defined_names():
                         if name.start_pos <= self._pos <= name.end_pos \
                                 and len(name.names) == 1:
-                            return name, name.names[-1]
+                            return name, unicode(name.names[-1])
                 return None, None
 
             lhs, search_name = test_lhs()
@@ -474,7 +474,8 @@ class Script(object):
                 else:
                     call_path = [call]
 
-                defs, search_name = self._evaluator.goto(stmt, call_path)
+                defs, search_name_part = self._evaluator.goto(stmt, call_path)
+                search_name = unicode(search_name_part)
                 definitions = follow_inexistent_imports(defs)
             else:
                 definitions = [lhs]
@@ -519,7 +520,7 @@ class Script(object):
 
         for d in set(definitions):
             if isinstance(d, (pr.Module, compiled.CompiledObject)):
-                names.append(usages.Usage(self._evaluator, d, d))
+                names.append(usages.Usage(self._evaluator, d))
             elif isinstance(d, er.Instance):
                 # Instances can be ignored, because they have been created by
                 # ``__getattr__``.
diff --git a/jedi/api/usages.py b/jedi/api/usages.py
index d93e247f..cfeb7710 100644
--- a/jedi/api/usages.py
+++ b/jedi/api/usages.py
@@ -1,3 +1,4 @@
+from jedi._compatibility import unicode
 from jedi import common
 from jedi.api import classes
 from jedi.parser import representation as pr
@@ -7,17 +8,9 @@ from jedi.evaluate import helpers
 
 class Usage(classes.Definition):
     """TODO: document this"""
-    def __init__(self, evaluator, name_part, scope):
+    def __init__(self, evaluator, name_part, scope=None):
         super(Usage, self).__init__(evaluator, name_part)
         self._start_pos = name_part.start_pos
-        #self.end_pos = name_part.end_pos
-
-    def __eq__(self, other):
-        return self._start_pos == other._start_pos \
-            and self.module_path == other.module_path
-
-    def __hash__(self):
-        return hash((self._start_pos, self.module_path))
 
 
 def usages(evaluator, definitions, search_name, mods):
@@ -47,7 +40,7 @@ def usages(evaluator, definitions, search_name, mods):
         call_path = list(call.generate_call_path())
         for i, name in enumerate(call_path):
             # name is `pr.NamePart`.
-            if name == search_name:
+            if unicode(name) == search_name:
                 follow.append(call_path[:i + 1])
 
         for call_path in follow:
@@ -74,7 +67,7 @@ def usages(evaluator, definitions, search_name, mods):
     compare_definitions = compare_array(definitions)
     mods |= set([d.get_parent_until() for d in definitions])
     names = []
-    for m in imports.get_modules_containing_name(mods, str(search_name)):
+    for m in imports.get_modules_containing_name(mods, search_name):
         try:
             stmts = m.used_names[search_name]
         except KeyError:
@@ -86,7 +79,7 @@ def usages(evaluator, definitions, search_name, mods):
                 for i in stmt.get_all_import_names():
                     for name_part in i.names:
                         count += 1
-                        if name_part == search_name:
+                        if unicode(name_part) == search_name:
                             imps.append((count, name_part))
 
                 for used_count, name_part in imps:
diff --git a/jedi/evaluate/__init__.py b/jedi/evaluate/__init__.py
index 4713253a..3feb4491 100644
--- a/jedi/evaluate/__init__.py
+++ b/jedi/evaluate/__init__.py
@@ -334,7 +334,7 @@ class Evaluator(object):
     def goto(self, stmt, call_path):
         scope = stmt.get_parent_until(pr.IsScope)
         pos = stmt.start_pos
-        call_path, search = call_path[:-1], call_path[-1]
+        call_path, search_name_part = call_path[:-1], call_path[-1]
 
         if call_path:
             scopes = self.eval_call_path(iter(call_path), scope, pos)
@@ -346,9 +346,9 @@ class Evaluator(object):
             search_global = True
         follow_res = []
         for s in scopes:
-            follow_res += self.find_types(s, search, pos,
+            follow_res += self.find_types(s, search_name_part, pos,
                                           search_global=search_global, is_goto=True)
-        return follow_res, search
+        return follow_res, search_name_part
 
 
 def filter_private_variable(scope, call_scope, var_name):
diff --git a/jedi/evaluate/dynamic.py b/jedi/evaluate/dynamic.py
index 48cba7f3..74c59563 100644
--- a/jedi/evaluate/dynamic.py
+++ b/jedi/evaluate/dynamic.py
@@ -17,6 +17,7 @@ It works as follows:
 - execute these calls and check the input. This work with a ``ParamListener``.
 """
 
+from jedi._compatibility import unicode
 from jedi.parser import representation as pr
 from jedi import settings
 from jedi.evaluate import helpers
@@ -86,9 +87,11 @@ def search_params(evaluator, param):
 
                     # Need to take right index, because there could be a
                     # func usage before.
-                    i = listRightIndex(call_path, func_name)
+                    call_path_simple = [unicode(d) if isinstance(d, pr.NamePart)
+                                        else d for d in call_path]
+                    i = listRightIndex(call_path_simple, func_name)
                     first, last = call_path[:i], call_path[i + 1:]
-                    if not last and not call_path.index(func_name) != i:
+                    if not last and not call_path_simple.index(func_name) != i:
                         continue
                     scopes = [scope]
                     if first:
@@ -119,10 +122,10 @@ def search_params(evaluator, param):
 
     func = param.get_parent_until(pr.Function)
     current_module = param.get_parent_until()
-    func_name = str(func.name)
+    func_name = unicode(func.name)
     compare = func
     if func_name == '__init__' and isinstance(func.parent, pr.Class):
-        func_name = str(func.parent.name)
+        func_name = unicode(func.parent.name)
         compare = func.parent
 
     # get the param name
diff --git a/jedi/evaluate/finder.py b/jedi/evaluate/finder.py
index 8bafe44f..1fdb1cf1 100644
--- a/jedi/evaluate/finder.py
+++ b/jedi/evaluate/finder.py
@@ -69,7 +69,7 @@ class NameFinder(object):
                 # reference.
                 name_list = sorted(name_list, key=lambda n: n.start_pos, reverse=True)
             for name in name_list:
-                if self.name_str != name.get_code():
+                if unicode(self.name_str) != name.get_code():
                     continue
 
                 parpar = name.parent.parent
@@ -297,7 +297,7 @@ class NameFinder(object):
         return result
 
 
-def check_flow_information(evaluator, flow, search_name, pos):
+def check_flow_information(evaluator, flow, search_name_part, pos):
     """ Try to find out the type of a variable just with the information that
     is given by the flows: e.g. It is also responsible for assert checks.::
 
@@ -314,17 +314,17 @@ def check_flow_information(evaluator, flow, search_name, pos):
         for ass in reversed(flow.asserts):
             if pos is None or ass.start_pos > pos:
                 continue
-            result = _check_isinstance_type(evaluator, ass, search_name)
+            result = _check_isinstance_type(evaluator, ass, search_name_part)
             if result:
                 break
 
     if isinstance(flow, pr.Flow) and not result:
         if flow.command in ['if', 'while'] and len(flow.inputs) == 1:
-            result = _check_isinstance_type(evaluator, flow.inputs[0], search_name)
+            result = _check_isinstance_type(evaluator, flow.inputs[0], search_name_part)
     return result
 
 
-def _check_isinstance_type(evaluator, stmt, search_name):
+def _check_isinstance_type(evaluator, stmt, search_name_part):
     try:
         expression_list = stmt.expression_list()
         # this might be removed if we analyze and, etc
@@ -342,7 +342,7 @@ def _check_isinstance_type(evaluator, stmt, search_name):
         assert isinstance(obj[0], pr.Call)
 
         # names fit?
-        assert str(obj[0].name) == search_name
+        assert unicode(obj[0].name) == unicode(search_name_part)
         assert isinstance(classes[0], pr.StatementElement)  # can be type or tuple
     except AssertionError:
         return []
@@ -530,7 +530,7 @@ def find_assignments(lhs, results, seek_name):
     """
     if isinstance(lhs, pr.Array):
         return _assign_tuples(lhs, results, seek_name)
-    elif lhs.name.names[-1] == seek_name:
+    elif unicode(lhs.name.names[-1]) == unicode(seek_name):
         return results
     else:
         return []
diff --git a/jedi/evaluate/helpers.py b/jedi/evaluate/helpers.py
index 05361cb9..de1db1e0 100644
--- a/jedi/evaluate/helpers.py
+++ b/jedi/evaluate/helpers.py
@@ -148,7 +148,8 @@ def scan_statement_for_calls(stmt, search_name, assignment_details=False):
             s_new = c
             while s_new is not None:
                 n = s_new.name
-                if isinstance(n, pr.Name) and search_name in n.names:
+                if isinstance(n, pr.Name) \
+                        and search_name in [str(x) for x in n.names]:
                     result.append(c)
 
                 if s_new.execution is not None:
diff --git a/jedi/evaluate/iterable.py b/jedi/evaluate/iterable.py
index 75a03b9b..0861e953 100644
--- a/jedi/evaluate/iterable.py
+++ b/jedi/evaluate/iterable.py
@@ -276,8 +276,10 @@ def _check_array_additions(evaluator, compare_array, module, is_list):
         result = []
         for c in calls:
             call_path = list(c.generate_call_path())
-            separate_index = call_path.index(add_name)
-            if add_name == call_path[-1] or separate_index == 0:
+            call_path_simple = [unicode(n) if isinstance(n, pr.NamePart) else n
+                                for n in call_path]
+            separate_index = call_path_simple.index(add_name)
+            if add_name == call_path_simple[-1] or separate_index == 0:
                 # this means that there is no execution -> [].append
                 # or the keyword is at the start -> append()
                 continue
diff --git a/jedi/evaluate/representation.py b/jedi/evaluate/representation.py
index f1961cb3..93445e76 100644
--- a/jedi/evaluate/representation.py
+++ b/jedi/evaluate/representation.py
@@ -113,7 +113,7 @@ class Instance(use_metaclass(CachedMetaClass, Executable)):
                 # Only names with the selfname are being added.
                 # It is also important, that they have a len() of 2,
                 # because otherwise, they are just something else
-                if n.names[0] == self_name and len(n.names) == 2:
+                if unicode(n.names[0]) == self_name and len(n.names) == 2:
                     add_self_dot_name(n)
 
         if not isinstance(self.base, compiled.CompiledObject):
@@ -278,7 +278,7 @@ class Class(use_metaclass(CachedMetaClass, pr.IsScope)):
             for i in iterable:
                 # Only the last name is important, because these names have a
                 # maximal length of 2, with the first one being `self`.
-                if i.names[-1] == name.names[-1]:
+                if unicode(i.names[-1]) == unicode(name.names[-1]):
                     return True
             return False
 
diff --git a/jedi/evaluate/sys_path.py b/jedi/evaluate/sys_path.py
index 48a9fbf0..2390fd1b 100644
--- a/jedi/evaluate/sys_path.py
+++ b/jedi/evaluate/sys_path.py
@@ -1,7 +1,7 @@
 import os
 import sys
 
-from jedi._compatibility import exec_function
+from jedi._compatibility import exec_function, unicode
 from jedi.parser import representation as pr
 from jedi import debug
 from jedi import common
@@ -59,9 +59,9 @@ def sys_path_with_modifications(module):
             n = call.name
             if not isinstance(n, pr.Name) or len(n.names) != 3:
                 continue
-            if n.names[:2] != ('sys', 'path'):
+            if [unicode(x) for x in n.names[:2]] != ['sys', 'path']:
                 continue
-            array_cmd = n.names[2]
+            array_cmd = unicode(n.names[2])
             if call.execution is None:
                 continue
             exe = call.execution
diff --git a/jedi/parser/__init__.py b/jedi/parser/__init__.py
index ee5de4e7..111abc1c 100644
--- a/jedi/parser/__init__.py
+++ b/jedi/parser/__init__.py
@@ -17,7 +17,7 @@ complexity of the ``Parser`` (there's another parser sitting inside
 """
 import keyword
 
-from jedi._compatibility import next
+from jedi._compatibility import next, unicode
 from jedi import debug
 from jedi import common
 from jedi.parser import representation as pr
@@ -480,7 +480,7 @@ class Parser(object):
                         self._gen.push_last_back()
                 names = self._parse_import_list()
                 for count, (name, alias, defunct2) in enumerate(names):
-                    star = name is not None and name.names[0] == '*'
+                    star = name is not None and unicode(name.names[0]) == '*'
                     if star:
                         name = None
                     e = (alias or name or self._gen.previous).end_pos
diff --git a/jedi/parser/representation.py b/jedi/parser/representation.py
index d12b42fb..80000b11 100644
--- a/jedi/parser/representation.py
+++ b/jedi/parser/representation.py
@@ -429,7 +429,7 @@ class SubModule(Scope, Module):
                 continue
 
             namespace, feature = imp.from_ns.names[0], imp.namespace.names[0]
-            if namespace == "__future__" and feature == "absolute_import":
+            if unicode(namespace) == "__future__" and unicode(feature) == "absolute_import":
                 return True
 
         return False
@@ -476,7 +476,7 @@ class Class(Scope):
         if self._doc_token is not None:
             docstr = self.raw_doc
         for sub in self.subscopes:
-            if sub.name.names[-1] == '__init__':
+            if unicode(sub.name.names[-1]) == '__init__':
                 return '%s\n\n%s' % (
                     sub.get_call_signature(funcname=self.name.names[-1]), docstr)
         return docstr
@@ -760,7 +760,7 @@ class Import(Simple):
             return [self.alias]
         if len(self.namespace) > 1:
             o = self.namespace
-            n = Name(self._sub_module, [(o.names[0].string, o.start_pos)],
+            n = Name(self._sub_module, [(unicode(o.names[0]), o.start_pos)],
                      o.start_pos, o.end_pos, parent=o.parent)
             return [n]
         else:
@@ -1383,18 +1383,12 @@ class NamePart(object):
     def __str__(self):
         return self.string
 
+    def __unicode__(self):
+        return self.string
+
     def __repr__(self):
         return "<%s: %s>" % (type(self).__name__, self.string)
 
-    def __eq__(self, other):
-        return self.string == other
-
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
-    def __hash__(self):
-        return hash(self.string)
-
     def get_parent_until(self, *args, **kwargs):
         return self.parent.get_parent_until(*args, **kwargs)