old_contents: import __main__
  import os
  import codecs
  import sys
  import matplotlib.image as mpimg
  import io
  from imp import reload
  reload(sys)
  
  ENCODING = 'utf-8'
  try:
  	sys.setdefaultencoding(ENCODING)
  except:
  	print("Warning: unable to set defaultencoding to utf-8")
  
  class View:
  	def __init__(self):
  		self.ROOT_DIR = os.path.dirname(os.path.realpath(__file__))
  		self.JS_PATH = os.path.join(self.ROOT_DIR, 'public', 'js')
  		self.CSS_PATH = os.path.join(self.ROOT_DIR, 'public', 'css')
                  self.APP_PATH = os.path.dirname(os.path.realpath(__main__.__file__))
  
  	def getHTML(self):
  		file_path = os.path.join(self.ROOT_DIR, 'view.html')
  		f = codecs.open(file_path, 'r', ENCODING)
  		html = f.read()
  		f.close()
  		return html
  
  	def getJS(self):
  		self.JS = ""
  		for file in os.listdir(self.JS_PATH):
  			if file.find('.js')>0:
  				file_path = os.path.join(self.JS_PATH, file) 
  				f = codecs.open(file_path, 'rb')
  				content = f.read()
  				f.close()
  				self.JS += content.decode('utf-8')
  				self.JS += "\n"
  		return self.JS
  
  	def getCSS(self):
  		self.CSS = ""
  		for file in os.listdir(self.CSS_PATH):
  			if file.find('.css')>0:
  				file_path = os.path.join(self.CSS_PATH, file) 
  				f = open(file_path)
  				self.CSS += f.read()
  				f.close()
  				self.CSS += "\n"
  		return self.CSS
  
  	def getSpinningWheel(self, spinnerFile=None):
  		buffer = io.BytesIO()
  		if spinnerFile is None:
  			path = os.path.join(self.ROOT_DIR, 'public', 'images', "loading_wheel.gif")
  		else:
  			path = os.path.join(self.APP_PATH, spinnerFile)
  		f = open( path,'rb' )
  		buffer.write(f.read())
  		f.close()
  		return(buffer)
  
new_contents: import __main__
  import os
  import codecs
  import sys
  import matplotlib.image as mpimg
  import io
  from imp import reload
  reload(sys)
  
  ENCODING = 'utf-8'
  try:
  	sys.setdefaultencoding(ENCODING)
  except:
  	print("Warning: unable to set defaultencoding to utf-8")
  
  class View:
  	def __init__(self):
  		self.ROOT_DIR = os.path.dirname(os.path.realpath(__file__))
  		self.JS_PATH = os.path.join(self.ROOT_DIR, 'public', 'js')
  		self.CSS_PATH = os.path.join(self.ROOT_DIR, 'public', 'css')
  		self.APP_PATH = os.path.dirname(os.path.realpath(__main__.__file__))
  
  	def getHTML(self):
  		file_path = os.path.join(self.ROOT_DIR, 'view.html')
  		f = codecs.open(file_path, 'r', ENCODING)
  		html = f.read()
  		f.close()
  		return html
  
  	def getJS(self):
  		self.JS = ""
  		for file in os.listdir(self.JS_PATH):
  			if file.find('.js')>0:
  				file_path = os.path.join(self.JS_PATH, file) 
  				f = codecs.open(file_path, 'rb')
  				content = f.read()
  				f.close()
  				self.JS += content.decode('utf-8')
  				self.JS += "\n"
  		return self.JS
  
  	def getCSS(self):
  		self.CSS = ""
  		for file in os.listdir(self.CSS_PATH):
  			if file.find('.css')>0:
  				file_path = os.path.join(self.CSS_PATH, file) 
  				f = open(file_path)
  				self.CSS += f.read()
  				f.close()
  				self.CSS += "\n"
  		return self.CSS
  
  	def getSpinningWheel(self, spinnerFile=None):
  		buffer = io.BytesIO()
  		if spinnerFile is None:
  			path = os.path.join(self.ROOT_DIR, 'public', 'images', "loading_wheel.gif")
  		else:
  			path = os.path.join(self.APP_PATH, spinnerFile)
  		f = open( path,'rb' )
  		buffer.write(f.read())
  		f.close()
  		return(buffer)
  
subject: change space to tabs (missed one from earlier)