human
Solve the following python programming problem given the following code:
def args2body(self, parsed_args) : 
    params = { 
        
} 
    if parsed_args.name : 
        params ['name'] = parsed_args.name 
if (not isinstance (parsed_args.start, datetime.datetime)) : 
        try : 
            parsed_args.start = datetime.datetime.strptime (parsed_args.start, '%Y-%m-%d %H:%M') 
except ValueError : 
            raise exception.IncorrectLease 
if (not isinstance (parsed_args.end, datetime.datetime)) : 
        try : 
            parsed_args.end = datetime.datetime.strptime (parsed_args.end, '%Y-%m-%d %H:%M') 
except ValueError : 
            raise exception.IncorrectLease 
if (parsed_args.start > parsed_args.end) : 
        raise exception.IncorrectLease 
params ['start'] = datetime.datetime.strftime (parsed_args.start, '%Y-%m-%d %H:%M') 
    params ['end'] = datetime.datetime.strftime (parsed_args.end, '%Y-%m-%d %H:%M') 
    params ['reservations'] = [] 
    params ['events'] = [] 
    physical_reservations = [] 
    for phys_res_str in parsed_args.physical_reservations : 
        err_msg = ("Invalid physical-reservation argument '%s'. Reservation arguments must be of the form --physical-reservation <min=int,max=int,hypervisor_properties=str,resource_properties=str>" % phys_res_str) 
        phys_res_info = { 
            'min' : '', 
            'max' : '', 
            'hypervisor_properties' : '', 
            'resource_properties' : '', 
} 
        prog = re.compile ('^(\\w+)=(\\w+|\\[[^]]+\\])(?:,(.+))?$') 
        def parse_params(params) : 
            match = prog.search (params) 
            if match : 
                self.log.info ('Matches: %s', match.groups ()) 
                (k, v) = match.group (1, 2) 
                if (k in phys_res_info) : 
                    phys_res_info [k] = v 
else : 
                    raise exception.IncorrectLease (err_msg) 
if ((len (match.groups ()) == 3) and (match.group (3) is not None)) : 
                    parse_params (match.group (3)) 
parse_params (phys_res_str) 
        if ((not phys_res_info ['min']) and (not...

    
    

    Fix the buggy line: if event_date :
assistant
#Here is Python program to fix the buggy line: if event_date :
.

if physical_reservations :