Add __init__ to classes missing it

Mostly just to shut pyCharm up, but it's good practice.

eos/db/saveddata/loadDefaultDatabaseValues.py

@@ -24,6 +24,9 @@ class ImportError(Exception):
     pass
 
 class DefaultDatabaseValues():
+    def __init__(self):
+        pass
+
     instance = None
 
     @classmethod

eos/enum.py

@@ -1,4 +1,7 @@
 class Enum():
+    def __init__(self):
+        pass
+
     @classmethod
     def getTypes(cls):
         for stuff in cls.__dict__:

eos/modifiedAttributeDict.py

@@ -42,7 +42,8 @@ class ModifiedAttributeDict(collections.MutableMapping):
     OVERRIDES = False
 
     class CalculationPlaceholder():
-        pass
+        def __init__(self):
+            pass
 
     def __init__(self, fit=None, parent=None):
         self.parent = parent

eos/saveddata/fit.py

@@ -44,6 +44,9 @@ except ImportError:
     from utils.compat import OrderedDict
 
 class ImplantLocation(Enum):
+    def __init__(self):
+        pass
+
     FIT = 0
     CHARACTER = 1
 

eos/saveddata/module.py

@@ -30,12 +30,18 @@ import logging
 logger = logging.getLogger(__name__)
 
 class State(Enum):
+    def __init__(self):
+        pass
+
     OFFLINE = -1
     ONLINE = 0
     ACTIVE = 1
     OVERHEATED = 2
 
 class Slot(Enum):
+    def __init__(self):
+        pass
+
     # These are self-explanatory
     LOW = 1
     MED = 2
@@ -55,6 +61,9 @@ class Slot(Enum):
     F_HEAVY = 12
 
 class Hardpoint(Enum):
+    def __init__(self):
+        pass
+
     NONE = 0
     MISSILE = 1
     TURRET = 2