Ready for publish (#311)

Ready for publish

Author: chaoming0625

brainpy/__init__.py

@@ -4,7 +4,7 @@
 
 
 # fundamental modules
-from . import errors, tools, check, modes
+from . import check, errors, tools, modes
 
 # "base" module
 from . import base
@@ -25,7 +25,6 @@
   optimizers,  # gradient descent optimizers
   losses,  # loss functions
   measure,  # methods for data analysis
-  datasets,  # methods for generating data
   inputs,  # methods for generating input currents
   algorithms,  # online or offline training algorithms
 )

brainpy/check.py

@@ -11,24 +11,7 @@
 
 _check = True
 
-_BRAINPYLIB_MINIMAL_VERSION = '0.1.2'
-
-
-def is_checking():
-  """Whether the checking is turn on."""
-  return _check
-
-
-def turn_on():
-  """Turn on the checking."""
-  global _check
-  _check = True
-
-
-def turn_off():
-  """Turn off the checking."""
-  global _check
-  _check = False
+_BRAINPYLIB_MINIMAL_VERSION = '0.1.3'
 
 
 try:
@@ -62,20 +45,41 @@ def turn_off():
 
     ''') from None
 
+
 try:
   import brainpylib
 
   if brainpylib.__version__ < _BRAINPYLIB_MINIMAL_VERSION:
     raise PackageMissingError(
-      f'brainpy need "brainpylib>={_BRAINPYLIB_MINIMAL_VERSION}". \n'
+      f'\nbrainpy need "brainpylib>={_BRAINPYLIB_MINIMAL_VERSION}". \n'
       f'Please install it through:\n\n'
       f'>>> pip install brainpylib -U'
     )
 
   del brainpylib
 except ModuleNotFoundError:
   raise PackageMissingError(
-    f'brainpy need "brainpylib>={_BRAINPYLIB_MINIMAL_VERSION}". \n'
+    f'\nbrainpy need "brainpylib>={_BRAINPYLIB_MINIMAL_VERSION}". \n'
     f'Please install "brainpylib>={_BRAINPYLIB_MINIMAL_VERSION}" through:\n\n'
     f'>>> pip install brainpylib'
   )
+
+
+def is_checking():
+  """Whether the checking is turn on."""
+  return _check
+
+
+def turn_on():
+  """Turn on the checking."""
+  global _check
+  _check = True
+
+
+def turn_off():
+  """Turn off the checking."""
+  global _check
+  _check = False
+
+
+