Disable click unicode literals warning

It seems that it is not enough to disable this warning just once.

prequ/scripts/build_wheels.py

@@ -6,6 +6,8 @@
 
 from ..prereqfile import PreRequirements
 
+click.disable_unicode_literals_warning = True
+
 
 @click.command()
 def main():

prequ/scripts/compile.py

@@ -6,6 +6,8 @@
 from ..prereqfile import PreRequirements
 from . import compile_in
 
+click.disable_unicode_literals_warning = True
+
 
 @click.command()
 @click.option('-v', '--verbose', is_flag=True, help="Show more output")

prequ/scripts/compile_in.py

@@ -19,6 +19,8 @@
 from ..writer import OutputWriter
 from ._repo import get_pip_options_and_pypi_repository
 
+click.disable_unicode_literals_warning = True
+
 # Make sure we're using a compatible version of pip
 assert_compatible_pip_version()
 

prequ/scripts/sync.py

@@ -14,6 +14,8 @@
 from ..utils import assert_compatible_pip_version, flat_map
 from ._repo import get_pip_options_and_pypi_repository
 
+click.disable_unicode_literals_warning = True
+
 # Make sure we're using a compatible version of pip
 assert_compatible_pip_version()
 

prequ/scripts/update.py

@@ -3,6 +3,8 @@
 from . import build_wheels
 from . import compile
 
+click.disable_unicode_literals_warning = True
+
 
 @click.command()
 @click.option('-v', '--verbose', is_flag=True, help="Show more output")