
Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/usr/local/lib/python3.7/dist-packages/geopandas/io/file.py", line 71, in read_file

with reader(path_or_bytes, **kwargs) as features:


 "/usr/local/lib/python3.7/dist-packages/fiona/env.py", line 397, in wrapper

return f(*args, **kwargs)


 "/usr/local/lib/python3.7/dist-packages/fiona/__init__.py", line 253, in open

layer=layer, enabled_drivers=enabled_drivers, **kwargs)


 "/usr/local/lib/python3.7/dist-packages/fiona/collection.py", line 159, in __init__

self.session.start(self, **kwargs)


 "fiona/ogrext.pyx", line 497, in fiona.ogrext.Session.start

ValueError: Null layer: ''

Traceback (most recent call last):


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\core\window\window_sdl2.py", line 663, in mainloop

self._mainloop()


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\core\window\window_sdl2.py", line 405, in _mainloop

EventLoop.idle()


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\base.py", line 342, in idle

self.dispatch_input()


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\base.py", line 327, in dispatch_input

post_dispatch_input(*pop(0))


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\base.py", line 233, in post_dispatch_input

listener.dispatch('on_motion', etype, me)


 "kivy\_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy\_event.c:8191)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\core\window\__init__.py", line 1188, in on_motion

self.dispatch('on_touch_down', me)


 "kivy\_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy\_event.c:8191)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\core\window\__init__.py", line 1204, in on_touch_down

if w.dispatch('on_touch_down', touch):


 "kivy\_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy\_event.c:8191)


 "C:\Users\natan\kivy-designer\designer\app.py", line 681, in on_touch_down

return super(FloatLayout, self).on_touch_down(touch)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\uix\widget.py", line 457, in on_touch_down

if child.dispatch('on_touch_down', touch):


 "kivy\_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy\_event.c:8191)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\uix\widget.py", line 457, in on_touch_down

if child.dispatch('on_touch_down', touch):


 "kivy\_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy\_event.c:8191)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\uix\widget.py", line 457, in on_touch_down

if child.dispatch('on_touch_down', touch):


 "kivy\_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy\_event.c:8191)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\uix\behaviors\button.py", line 151, in on_touch_down

self.dispatch('on_press')


 "kivy\_event.pyx", line 714, in kivy._event.EventDispatcher.dispatch (kivy\_event.c:8146)


 "kivy\_event.pyx", line 1225, in kivy._event.EventObservers.dispatch (kivy\_event.c:14035)


 "kivy\_event.pyx", line 1109, in kivy._event.EventObservers._dispatch (kivy\_event.c:12816)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\lang\builder.py", line 64, in custom_callback

exec(__kvlang__.co_value, idmap)


 "C:\Users\natan\kivy-designer\designer\designer.kv", line 1046, in <module>

on_press: root.dispatch('on_copy')


 "kivy\_event.pyx", line 714, in kivy._event.EventDispatcher.dispatch (kivy\_event.c:8146)


 "kivy\_event.pyx", line 1225, in kivy._event.EventObservers.dispatch (kivy\_event.c:14035)


 "kivy\_event.pyx", line 1149, in kivy._event.EventObservers._dispatch (kivy\_event.c:13564)


 "C:\Users\natan\kivy-designer\designer\app.py", line 1290, in action_btn_copy_pressed

self.ui_creator.kv_code_input.copy()


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\uix\textinput.py", line 1712, in copy

return Clipboard.copy(self.selection_text)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\core\clipboard\__init__.py", line 73, in copy

self._copy(data)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\core\clipboard\__init__.py", line 87, in _copy

self.put(data, self._clip_mime_type)


 "C:\Users\natan\AppData\Local\Programs\Python\Python36-32\lib\site-packages\kivy\core\clipboard\clipboard_winctypes.py", line 55, in put

msvcrt.wcscpy_s(c_wchar_p(hCd), len(text), c_wchar_p(text))
ValueError: embedded null character
