diff --git a/lmfdb/siegel_modular_forms/sample.py b/lmfdb/siegel_modular_forms/sample.py
index 7fc07a63ef..5a7ad45738 100644
--- a/lmfdb/siegel_modular_forms/sample.py
+++ b/lmfdb/siegel_modular_forms/sample.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
-# This file provides the class Sammple_Class which describes
-# a sample of a collection of Sıegel modular forms.
+# This file provides the class Sample_Class which describes
+# a sample of a collection of Siegel modular forms.
 #
 # Author: Nils Skoruppa <nils.skoruppa@gmail.com>
 
@@ -9,10 +9,12 @@
 from ast import literal_eval
 from lmfdb import db
 
+
 def random_sample_name():
     data = db.smf_samples.random(projection=['collection', 'name'])
     return (data['collection'][0], data['name'])
 
+
 class Sample_class (SageObject):
     """
     A wrapper around a database entry providing various
@@ -24,10 +26,10 @@ def __init__(self, doc):
         self.__name = doc.get('name')
         self.__weight = doc.get('weight')
         self.__degree_of_field = doc.get('fdeg')
-        self.__field_poly = PolynomialRing(QQ,'x')(str(doc.get('field_poly')))
-        self.__field = None # created on demand
-        self.__explicit_formula = None # create on demand
-        self.__explicit_formula_set = False # set to true once we try to get it to avoid repeatedly trying to fetch an explicit formula that is not there
+        self.__field_poly = PolynomialRing(QQ, 'x')(str(doc.get('field_poly')))
+        self.__field = None  # created on demand
+        self.__explicit_formula = None  # create on demand
+        self.__explicit_formula_set = False  # set to true once we try to get it to avoid repeatedly trying to fetch an explicit formula that is not there
         self.__type = doc.get('type')
         self.__is_eigenform = doc.get('is_eigenform')
         self.__is_integral = doc.get('is_integral')
@@ -54,13 +56,13 @@ def field_poly(self):
 
     def field(self):
         if not self.__field:
-            f = PolynomialRing(ZZ,name='x')(str(self.__field_poly))
-            self.__field = QQ if f.degree() == 1 else NumberField(f,'a')
+            f = PolynomialRing(ZZ, name='x')(str(self.__field_poly))
+            self.__field = QQ if f.degree() == 1 else NumberField(f, 'a')
         return self.__field
 
     def explicit_formula(self):
         if not self.__explicit_formula_set:
-            self.__explicit_formula = db.smf_samples.lucky({'id_link':self.__id}, 'explicit_formula')
+            self.__explicit_formula = db.smf_samples.lucky({'id_link': self.__id}, 'explicit_formula')
             self.__explicit_formula_set = True
         return self.__explicit_formula
 
@@ -97,7 +99,9 @@ def Fourier_coefficients(self, det_list):
         query = {'owner_id': self.__id, 'det': {'$in': det_list}}
         fcs = db.smf_fc.search(query, ['det', 'data'])
         P = PolynomialRing(self.__field, names='x,y')
-        return {fcd['det']: {tuple(literal_eval(f)): P(str(poly)) for f, poly in fcd['data'].items() } for fcd in fcs}
+        return {fcd['det']: {tuple(literal_eval(f)): P(str(poly))
+                             for f, poly in fcd['data'].items()}
+                for fcd in fcs}
 
 
 def Sample(collection, name):
@@ -113,8 +117,10 @@ def Samples(query):
     """
     Return a result of a database query as list of light instances of Sample_class.
     """
-    docs = db.smf_samples.search(query, {'Fourier_coefficients': False, 'eigenvalues': False, 'explicit_formula': False })
-    return [ Sample_class(doc) for doc in docs]
+    docs = db.smf_samples.search(query, {'Fourier_coefficients': False,
+                                         'eigenvalues': False,
+                                         'explicit_formula': False})
+    return [Sample_class(doc) for doc in docs]
 
 
 def export(collection, name):
@@ -135,7 +141,7 @@ def export(collection, name):
     doc['eigenvalues'] = {ev['index']: ev['data'] for ev in evs}
 
     label = doc['collection'][0] + '.' + doc['name']
-    doc['label']= label
+    doc['label'] = label
 
     import json
     return json.dumps(doc, sort_keys=True, indent=4)