Fix import for PyInstaller.

Also remove a Non-ASCII character for Python2...

simso/core/Scheduler.py

@@ -241,14 +241,37 @@ class Scheduler(object):
 
 
 def get_schedulers():
+    modules = []
+
+    # Special case when using PyInstaller:
+    if getattr(sys, 'frozen', False):
+        import pyi_importers
+        importer = None
+        for obj in sys.meta_path:
+            if isinstance(obj, pyi_importers.FrozenImporter):
+                importer = obj
+                break
+
+        for name in importer.toc:
+            if name.startswith('simso.schedulers.'):
+                modules.append(name)
+
+    # Normal case:
+    else:
         package = importlib.import_module('simso.schedulers')
         for importer, modname, ispkg in pkgutil.walk_packages(
                 path=package.__path__,
                 prefix=package.__name__ + '.',
                 onerror=lambda x: None):
+            modules.append(modname)
+
+    for modname in sorted(modules):
+        try:
             m = importlib.import_module(modname)
             for name in dir(m):
                 c = m.__getattribute__(name)
                 if inspect.isclass(c) and issubclass(c, Scheduler):
                     yield modname
                     break
+        except (ImportError, SyntaxError):
+            print("Import error: ", modname)

simso/schedulers/BF.py

 """
 Implementation of the BF algorithm.
 
-Authors: Maxime Chéramy and Stefan Junker
+Authors: Maxime Cheramy and Stefan Junker
 """
 from simso.core import Scheduler, Timer
 from fractions import Fraction