human
Solve the following python programming problem given the following code:
def check_dependencies(dependencies) : 
    def module_exists(dep) : 
        try : 
            imp.find_module (dep) 
            return True 
except ImportError : 
            return False 
for dep in dependencies : 
        if (len (dep) == 1) : 
            (import_name, pkg_name) = (dep [0], dep [0]) 
else : 
            if (len (dep) == 2) : 
                (import_name, pkg_name) = dep 
else : 
                raise ValueError (dep) 
if (not module_exists (import_name)) : 
            lines = [('-' * 50), ('Warning: This package requires %r. Try' % import_name), '', ('  $ conda install %s' % pkg_name), '', 'or:', '', ('  $ pip install %s' % dependencies), ('-' * 50)] 
            print (os.linesep.join (lines), file = sys.stderr) 

    
    

    Fix the buggy line: lines = [('-' * 50), ('Warning: This package requires %r. Try' % import_name), '', ('  $ conda install %s' % pkg_name), '', 'or:', '', ('  $ pip install %s' % dependencies), ('-' * 50)]
assistant
#Here is Python code to fix the buggy line: lines = [('-' * 50), ('Warning: This package requires %r.

lines = [('-' * 50), ('Warning: This package requires %r. Try' % import_name), '', ('  $ conda install %s' % pkg_name), '', 'or:', '', ('  $ pip install %s' % pkg_name), ('-' * 50)]