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 pandas head() not reading all rows

I am reading a csv and applying the def to remove unnecessary data.
If i apply for 174 rows,"dict = (dc_data['Description'].head(174).apply(process_text))" it gives below error.
If i specify 100 rows it works.
Requirements is to apply for all rows.
Any help is appreciated.

Traceback (most recent call last): File "C:\Python\test\DC\", line 26, in <module> dict = (ec_data['Description'].head(174).apply(process_text)) File "C:\Python\lib\site-packages\pandas\core\", line 3848, in apply mapped = lib.map_infer(values, f, convert=convert_dtype) File "pandas\_libs\lib.pyx", line 2329, in pandas._libs.lib.map_infer File "C:\Python\test\DC\", line 16, in process_text nopunc = [char for char in text if char not in string.punctuation] TypeError: 'float' object is not iterable
import pandas as pd
from textblob import TextBlob
import string
import nltk
from nltk.corpus import stopwords

dc_data = pd.read_csv('dc.csv', encoding="ISO-8859-1", index_col=False)

desc = dc_data['Description']

def process_text(text):
    nopunc = [char for char in text if char not in string.punctuation]
    nopunc = ''.join(nopunc)
    clean_words = [word for word in nopunc.split() if word.lower() not in stopwords.words('english')]
    return clean_words

#Show the Tokenization (a list of tokens )
dict = (dc_data['Description'].head(174).apply(process_text))
print("Dict: ", dict)
Larz60+ wrote Apr-07-2020, 07:52 PM:
Please post all code, output and errors (in it's entirety) between their respective tags. I did it for you this time, Here are instructions on how to do it yourself next time.

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